Finding the Fourth Proportional to 57,915.76, 79,925.52 and 34,038.04

Step by Step Solution

1. Step 1: Write the proportion equation
   57,915.76 : 79,925.52 = 34,038.04 : x
2. Step 2: Convert to fraction form
   57,915.76/79,925.52 = 34,038.04/x
3. Step 3: Cross multiply
   57,915.76x = 79,925.52 × 34,038.04
4. Step 4: Simplify right side
   57,915.76x = 2,720,508,046.78
5. Step 5: Solve for x
   x = 2,720,508,046.78/57,915.76
6. Step 6: Final answer
   x = 46,973.54