Finding the Fourth Proportional to 83,493.57, 125,253.33 and 28,085.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,493.57 : 125,253.33 = 28,085.25 : x
2. Step 2: Convert to fraction form
   83,493.57/125,253.33 = 28,085.25/x
3. Step 3: Cross multiply
   83,493.57x = 125,253.33 × 28,085.25
4. Step 4: Simplify right side
   83,493.57x = 3,517,771,086.38
5. Step 5: Solve for x
   x = 3,517,771,086.38/83,493.57
6. Step 6: Final answer
   x = 42,132.24