Finding the Fourth Proportional to 31,066.75, 42,897.39 and 25,325.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,066.75 : 42,897.39 = 25,325.10 : x
2. Step 2: Convert to fraction form
   31,066.75/42,897.39 = 25,325.10/x
3. Step 3: Cross multiply
   31,066.75x = 42,897.39 × 25,325.10
4. Step 4: Simplify right side
   31,066.75x = 1,086,380,691.49
5. Step 5: Solve for x
   x = 1,086,380,691.49/31,066.75
6. Step 6: Final answer
   x = 34,969.24