Finding the Fourth Proportional to 25,105.74, 37,666.72 and 15,121.32

Step by Step Solution

1. Step 1: Write the proportion equation
   25,105.74 : 37,666.72 = 15,121.32 : x
2. Step 2: Convert to fraction form
   25,105.74/37,666.72 = 15,121.32/x
3. Step 3: Cross multiply
   25,105.74x = 37,666.72 × 15,121.32
4. Step 4: Simplify right side
   25,105.74x = 569,570,526.47
5. Step 5: Solve for x
   x = 569,570,526.47/25,105.74
6. Step 6: Final answer
   x = 22,686.86