Finding the Fourth Proportional to 22,586.32, 31,167.56 and 12,513.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,586.32 : 31,167.56 = 12,513.82 : x
2. Step 2: Convert to fraction form
   22,586.32/31,167.56 = 12,513.82/x
3. Step 3: Cross multiply
   22,586.32x = 31,167.56 × 12,513.82
4. Step 4: Simplify right side
   22,586.32x = 390,025,235.68
5. Step 5: Solve for x
   x = 390,025,235.68/22,586.32
6. Step 6: Final answer
   x = 17,268.21