Finding the Fourth Proportional to 22,499.01, 31,045.98 and 12,426.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,499.01 : 31,045.98 = 12,426.86 : x
2. Step 2: Convert to fraction form
   22,499.01/31,045.98 = 12,426.86/x
3. Step 3: Cross multiply
   22,499.01x = 31,045.98 × 12,426.86
4. Step 4: Simplify right side
   22,499.01x = 385,803,891.79
5. Step 5: Solve for x
   x = 385,803,891.79/22,499.01
6. Step 6: Final answer
   x = 17,147.59