Finding the Fourth Proportional to 83,815.52, 115,655.72 and 48,003.39

Step by Step Solution

1. Step 1: Write the proportion equation
   83,815.52 : 115,655.72 = 48,003.39 : x
2. Step 2: Convert to fraction form
   83,815.52/115,655.72 = 48,003.39/x
3. Step 3: Cross multiply
   83,815.52x = 115,655.72 × 48,003.39
4. Step 4: Simplify right side
   83,815.52x = 5,551,866,392.87
5. Step 5: Solve for x
   x = 5,551,866,392.87/83,815.52
6. Step 6: Final answer
   x = 66,239.13