Finding the Fourth Proportional to 74,916.37, 103,387.74 and 43,085.30

Step by Step Solution

1. Step 1: Write the proportion equation
   74,916.37 : 103,387.74 = 43,085.30 : x
2. Step 2: Convert to fraction form
   74,916.37/103,387.74 = 43,085.30/x
3. Step 3: Cross multiply
   74,916.37x = 103,387.74 × 43,085.30
4. Step 4: Simplify right side
   74,916.37x = 4,454,491,061.86
5. Step 5: Solve for x
   x = 4,454,491,061.86/74,916.37
6. Step 6: Final answer
   x = 59,459.52