Finding the Fourth Proportional to 31,498.72, 43,427.88 and 25,812.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,498.72 : 43,427.88 = 25,812.52 : x
2. Step 2: Convert to fraction form
   31,498.72/43,427.88 = 25,812.52/x
3. Step 3: Cross multiply
   31,498.72x = 43,427.88 × 25,812.52
4. Step 4: Simplify right side
   31,498.72x = 1,120,983,021.06
5. Step 5: Solve for x
   x = 1,120,983,021.06/31,498.72
6. Step 6: Final answer
   x = 35,588.21