Finding the Fourth Proportional to 22,566.90, 31,139.15 and 12,495.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,566.90 : 31,139.15 = 12,495.93 : x
2. Step 2: Convert to fraction form
   22,566.90/31,139.15 = 12,495.93/x
3. Step 3: Cross multiply
   22,566.90x = 31,139.15 × 12,495.93
4. Step 4: Simplify right side
   22,566.90x = 389,112,576.18
5. Step 5: Solve for x
   x = 389,112,576.18/22,566.90
6. Step 6: Final answer
   x = 17,242.62