Finding the Fourth Proportional to 31,537.20, 43,499.52 and 25,569.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,537.20 : 43,499.52 = 25,569.12 : x
2. Step 2: Convert to fraction form
   31,537.20/43,499.52 = 25,569.12/x
3. Step 3: Cross multiply
   31,537.20x = 43,499.52 × 25,569.12
4. Step 4: Simplify right side
   31,537.20x = 1,112,244,446.82
5. Step 5: Solve for x
   x = 1,112,244,446.82/31,537.20
6. Step 6: Final answer
   x = 35,267.70