Finding the Fourth Proportional to 92,529.03, 138,772.79 and 42,561.15

Step by Step Solution

1. Step 1: Write the proportion equation
   92,529.03 : 138,772.79 = 42,561.15 : x
2. Step 2: Convert to fraction form
   92,529.03/138,772.79 = 42,561.15/x
3. Step 3: Cross multiply
   92,529.03x = 138,772.79 × 42,561.15
4. Step 4: Simplify right side
   92,529.03x = 5,906,329,196.92
5. Step 5: Solve for x
   x = 5,906,329,196.92/92,529.03
6. Step 6: Final answer
   x = 63,832.17