Finding the Fourth Proportional to 83,658.27, 115,415.55 and 47,829.06

Step by Step Solution

1. Step 1: Write the proportion equation
   83,658.27 : 115,415.55 = 47,829.06 : x
2. Step 2: Convert to fraction form
   83,658.27/115,415.55 = 47,829.06/x
3. Step 3: Cross multiply
   83,658.27x = 115,415.55 × 47,829.06
4. Step 4: Simplify right side
   83,658.27x = 5,520,217,265.88
5. Step 5: Solve for x
   x = 5,520,217,265.88/83,658.27
6. Step 6: Final answer
   x = 65,985.31