Finding the Fourth Proportional to 22,511.89, 31,066.41 and 12,575.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,511.89 : 31,066.41 = 12,575.89 : x
2. Step 2: Convert to fraction form
   22,511.89/31,066.41 = 12,575.89/x
3. Step 3: Cross multiply
   22,511.89x = 31,066.41 × 12,575.89
4. Step 4: Simplify right side
   22,511.89x = 390,687,754.85
5. Step 5: Solve for x
   x = 390,687,754.85/22,511.89
6. Step 6: Final answer
   x = 17,354.73