Finding the Fourth Proportional to 78,541.84, 108,388.29 and 42,732.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,541.84 : 108,388.29 = 42,732.15 : x
2. Step 2: Convert to fraction form
   78,541.84/108,388.29 = 42,732.15/x
3. Step 3: Cross multiply
   78,541.84x = 108,388.29 × 42,732.15
4. Step 4: Simplify right side
   78,541.84x = 4,631,664,666.52
5. Step 5: Solve for x
   x = 4,631,664,666.52/78,541.84
6. Step 6: Final answer
   x = 58,970.67