Finding the Fourth Proportional to 31,612.52, 47,428.91 and 22,134.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,612.52 : 47,428.91 = 22,134.71 : x
2. Step 2: Convert to fraction form
   31,612.52/47,428.91 = 22,134.71/x
3. Step 3: Cross multiply
   31,612.52x = 47,428.91 × 22,134.71
4. Step 4: Simplify right side
   31,612.52x = 1,049,825,168.47
5. Step 5: Solve for x
   x = 1,049,825,168.47/31,612.52
6. Step 6: Final answer
   x = 33,209.16