Finding the Fourth Proportional to 83,407.47, 125,123.98 and 28,016.43

Step by Step Solution

1. Step 1: Write the proportion equation
   83,407.47 : 125,123.98 = 28,016.43 : x
2. Step 2: Convert to fraction form
   83,407.47/125,123.98 = 28,016.43/x
3. Step 3: Cross multiply
   83,407.47x = 125,123.98 × 28,016.43
4. Step 4: Simplify right side
   83,407.47x = 3,505,527,226.99
5. Step 5: Solve for x
   x = 3,505,527,226.99/83,407.47
6. Step 6: Final answer
   x = 42,028.94