Finding the Fourth Proportional to 22,899.86, 31,612.86 and 14,406.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,899.86 : 31,612.86 = 14,406.10 : x
2. Step 2: Convert to fraction form
   22,899.86/31,612.86 = 14,406.10/x
3. Step 3: Cross multiply
   22,899.86x = 31,612.86 × 14,406.10
4. Step 4: Simplify right side
   22,899.86x = 455,418,080.72
5. Step 5: Solve for x
   x = 455,418,080.72/22,899.86
6. Step 6: Final answer
   x = 19,887.37