Finding the Fourth Proportional to 116,243.72, 160,432.68 and 67,861.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,243.72 : 160,432.68 = 67,861.52 : x
2. Step 2: Convert to fraction form
   116,243.72/160,432.68 = 67,861.52/x
3. Step 3: Cross multiply
   116,243.72x = 160,432.68 × 67,861.52
4. Step 4: Simplify right side
   116,243.72x = 10,887,205,522.47
5. Step 5: Solve for x
   x = 10,887,205,522.47/116,243.72
6. Step 6: Final answer
   x = 93,658.44