Finding the Fourth Proportional to 78,747.84, 108,670.02 and 42,938.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,747.84 : 108,670.02 = 42,938.52 : x
2. Step 2: Convert to fraction form
   78,747.84/108,670.02 = 42,938.52/x
3. Step 3: Cross multiply
   78,747.84x = 108,670.02 × 42,938.52
4. Step 4: Simplify right side
   78,747.84x = 4,666,129,827.17
5. Step 5: Solve for x
   x = 4,666,129,827.17/78,747.84
6. Step 6: Final answer
   x = 59,254.07