Finding the Fourth Proportional to 31,872.59, 47,715.42 and 22,351.91

Step by Step Solution

1. Step 1: Write the proportion equation
   31,872.59 : 47,715.42 = 22,351.91 : x
2. Step 2: Convert to fraction form
   31,872.59/47,715.42 = 22,351.91/x
3. Step 3: Cross multiply
   31,872.59x = 47,715.42 × 22,351.91
4. Step 4: Simplify right side
   31,872.59x = 1,066,530,773.45
5. Step 5: Solve for x
   x = 1,066,530,773.45/31,872.59
6. Step 6: Final answer
   x = 33,462.32