Finding the Fourth Proportional to 76,681,536,471.72, 105,818,490,438.86 and 42,849,109,590.84

Step by Step Solution

1. Step 1: Write the proportion equation
   76,681,536,471.72 : 105,818,490,438.86 = 42,849,109,590.84 : x
2. Step 2: Convert to fraction form
   76,681,536,471.72/105,818,490,438.86 = 42,849,109,590.84/x
3. Step 3: Cross multiply
   76,681,536,471.72x = 105,818,490,438.86 × 42,849,109,590.84
4. Step 4: Simplify right side
   76,681,536,471.72x = 4,534,228,093,551,966,683,136
5. Step 5: Solve for x
   x = 4,534,228,093,551,966,683,136/76,681,536,471.72
6. Step 6: Final answer
   x = 59,130,636,945.76