Finding the Fourth Proportional to 28,301.91, 42,414.57 and 10,762.17

Step by Step Solution

1. Step 1: Write the proportion equation
   28,301.91 : 42,414.57 = 10,762.17 : x
2. Step 2: Convert to fraction form
   28,301.91/42,414.57 = 10,762.17/x
3. Step 3: Cross multiply
   28,301.91x = 42,414.57 × 10,762.17
4. Step 4: Simplify right side
   28,301.91x = 456,472,812.82
5. Step 5: Solve for x
   x = 456,472,812.82/28,301.91
6. Step 6: Final answer
   x = 16,128.69