Finding the Fourth Proportional to 22,507.32, 31,061.46 and 16,135.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,507.32 : 31,061.46 = 16,135.86 : x
2. Step 2: Convert to fraction form
   22,507.32/31,061.46 = 16,135.86/x
3. Step 3: Cross multiply
   22,507.32x = 31,061.46 × 16,135.86
4. Step 4: Simplify right side
   22,507.32x = 501,203,369.96
5. Step 5: Solve for x
   x = 501,203,369.96/22,507.32
6. Step 6: Final answer
   x = 22,268.46