Finding the Fourth Proportional to 25,158.72, 37,742.64 and 10,359.57

Step by Step Solution

1. Step 1: Write the proportion equation
   25,158.72 : 37,742.64 = 10,359.57 : x
2. Step 2: Convert to fraction form
   25,158.72/37,742.64 = 10,359.57/x
3. Step 3: Cross multiply
   25,158.72x = 37,742.64 × 10,359.57
4. Step 4: Simplify right side
   25,158.72x = 390,997,521.06
5. Step 5: Solve for x
   x = 390,997,521.06/25,158.72
6. Step 6: Final answer
   x = 15,541.23