Finding the Fourth Proportional to 78,047,811,595.84, 107,706,959,567.52 and 42,405,721,821.76

Step by Step Solution

1. Step 1: Write the proportion equation
   78,047,811,595.84 : 107,706,959,567.52 = 42,405,721,821.76 : x
2. Step 2: Convert to fraction form
   78,047,811,595.84/107,706,959,567.52 = 42,405,721,821.76/x
3. Step 3: Cross multiply
   78,047,811,595.84x = 107,706,959,567.52 × 42,405,721,821.76
4. Step 4: Simplify right side
   78,047,811,595.84x = 4,567,391,365,687,805,476,864
5. Step 5: Solve for x
   x = 4,567,391,365,687,805,476,864/78,047,811,595.84
6. Step 6: Final answer
   x = 58,520,428,341.28