Finding the Fourth Proportional to 83,658.12, 115,404.66 and 67,760.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,658.12 : 115,404.66 = 67,760.52 : x
2. Step 2: Convert to fraction form
   83,658.12/115,404.66 = 67,760.52/x
3. Step 3: Cross multiply
   83,658.12x = 115,404.66 × 67,760.52
4. Step 4: Simplify right side
   83,658.12x = 7,819,879,772.02
5. Step 5: Solve for x
   x = 7,819,879,772.02/83,658.12
6. Step 6: Final answer
   x = 93,474.25