Finding the Fourth Proportional to 42,601.16, 63,892.94 and 11,429

Step by Step Solution

1. Step 1: Write the proportion equation
   42,601.16 : 63,892.94 = 11,429 : x
2. Step 2: Convert to fraction form
   42,601.16/63,892.94 = 11,429/x
3. Step 3: Cross multiply
   42,601.16x = 63,892.94 × 11,429
4. Step 4: Simplify right side
   42,601.16x = 730,232,411.26
5. Step 5: Solve for x
   x = 730,232,411.26/42,601.16
6. Step 6: Final answer
   x = 17,141.14