Finding the Fourth Proportional to 15,042.12, 22,561.32 and 7,651.89

Step by Step Solution

1. Step 1: Write the proportion equation
   15,042.12 : 22,561.32 = 7,651.89 : x
2. Step 2: Convert to fraction form
   15,042.12/22,561.32 = 7,651.89/x
3. Step 3: Cross multiply
   15,042.12x = 22,561.32 × 7,651.89
4. Step 4: Simplify right side
   15,042.12x = 172,636,738.89
5. Step 5: Solve for x
   x = 172,636,738.89/15,042.12
6. Step 6: Final answer
   x = 11,476.89