Finding the Fourth Proportional to 31,807.72, 47,659.74 and 25,198.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,807.72 : 47,659.74 = 25,198.12 : x
2. Step 2: Convert to fraction form
   31,807.72/47,659.74 = 25,198.12/x
3. Step 3: Cross multiply
   31,807.72x = 47,659.74 × 25,198.12
4. Step 4: Simplify right side
   31,807.72x = 1,200,935,847.69
5. Step 5: Solve for x
   x = 1,200,935,847.69/31,807.72
6. Step 6: Final answer
   x = 37,756.11