Finding the Fourth Proportional to 83,556.30, 125,350.65 and 42,003.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,556.30 : 125,350.65 = 42,003.30 : x
2. Step 2: Convert to fraction form
   83,556.30/125,350.65 = 42,003.30/x
3. Step 3: Cross multiply
   83,556.30x = 125,350.65 × 42,003.30
4. Step 4: Simplify right side
   83,556.30x = 5,265,140,957.15
5. Step 5: Solve for x
   x = 5,265,140,957.15/83,556.30
6. Step 6: Final answer
   x = 63,013.09