Finding the Fourth Proportional to 83,559.30, 125,355.15 and 42,006.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,559.30 : 125,355.15 = 42,006.30 : x
2. Step 2: Convert to fraction form
   83,559.30/125,355.15 = 42,006.30/x
3. Step 3: Cross multiply
   83,559.30x = 125,355.15 × 42,006.30
4. Step 4: Simplify right side
   83,559.30x = 5,265,706,037.45
5. Step 5: Solve for x
   x = 5,265,706,037.45/83,559.30
6. Step 6: Final answer
   x = 63,017.59