Finding the Fourth Proportional to 25,221.52, 37,832.16 and 7,691.29

Step by Step Solution

1. Step 1: Write the proportion equation
   25,221.52 : 37,832.16 = 7,691.29 : x
2. Step 2: Convert to fraction form
   25,221.52/37,832.16 = 7,691.29/x
3. Step 3: Cross multiply
   25,221.52x = 37,832.16 × 7,691.29
4. Step 4: Simplify right side
   25,221.52x = 290,978,113.89
5. Step 5: Solve for x
   x = 290,978,113.89/25,221.52
6. Step 6: Final answer
   x = 11,536.90