Finding the Fourth Proportional to 83,439.72, 125,158.14 and 28,035.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,439.72 : 125,158.14 = 28,035.72 : x
2. Step 2: Convert to fraction form
   83,439.72/125,158.14 = 28,035.72/x
3. Step 3: Cross multiply
   83,439.72x = 125,158.14 × 28,035.72
4. Step 4: Simplify right side
   83,439.72x = 3,508,898,568.76
5. Step 5: Solve for x
   x = 3,508,898,568.76/83,439.72
6. Step 6: Final answer
   x = 42,053.10