Finding the Fourth Proportional to 25,767.72, 35,562.72 and 15,158.32

Step by Step Solution

1. Step 1: Write the proportion equation
   25,767.72 : 35,562.72 = 15,158.32 : x
2. Step 2: Convert to fraction form
   25,767.72/35,562.72 = 15,158.32/x
3. Step 3: Cross multiply
   25,767.72x = 35,562.72 × 15,158.32
4. Step 4: Simplify right side
   25,767.72x = 539,071,089.83
5. Step 5: Solve for x
   x = 539,071,089.83/25,767.72
6. Step 6: Final answer
   x = 20,920.40