Finding the Fourth Proportional to 22,547.35, 31,115.21 and 12,475.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,547.35 : 31,115.21 = 12,475.61 : x
2. Step 2: Convert to fraction form
   22,547.35/31,115.21 = 12,475.61/x
3. Step 3: Cross multiply
   22,547.35x = 31,115.21 × 12,475.61
4. Step 4: Simplify right side
   22,547.35x = 388,181,123.76
5. Step 5: Solve for x
   x = 388,181,123.76/22,547.35
6. Step 6: Final answer
   x = 17,216.26