Finding the Fourth Proportional to 83,398.55, 115,091.96 and 47,591.88

Step by Step Solution

1. Step 1: Write the proportion equation
   83,398.55 : 115,091.96 = 47,591.88 : x
2. Step 2: Convert to fraction form
   83,398.55/115,091.96 = 47,591.88/x
3. Step 3: Cross multiply
   83,398.55x = 115,091.96 × 47,591.88
4. Step 4: Simplify right side
   83,398.55x = 5,477,442,511.33
5. Step 5: Solve for x
   x = 5,477,442,511.33/83,398.55
6. Step 6: Final answer
   x = 65,677.91