Finding the Fourth Proportional to 83,216.72, 114,841.32 and 49,702.16

Step by Step Solution

1. Step 1: Write the proportion equation
   83,216.72 : 114,841.32 = 49,702.16 : x
2. Step 2: Convert to fraction form
   83,216.72/114,841.32 = 49,702.16/x
3. Step 3: Cross multiply
   83,216.72x = 114,841.32 × 49,702.16
4. Step 4: Simplify right side
   83,216.72x = 5,707,861,661.25
5. Step 5: Solve for x
   x = 5,707,861,661.25/83,216.72
6. Step 6: Final answer
   x = 68,590.32