Finding the Fourth Proportional to 83,172.96, 114,780.24 and 49,658.40

Step by Step Solution

1. Step 1: Write the proportion equation
   83,172.96 : 114,780.24 = 49,658.40 : x
2. Step 2: Convert to fraction form
   83,172.96/114,780.24 = 49,658.40/x
3. Step 3: Cross multiply
   83,172.96x = 114,780.24 × 49,658.40
4. Step 4: Simplify right side
   83,172.96x = 5,699,803,070.02
5. Step 5: Solve for x
   x = 5,699,803,070.02/83,172.96
6. Step 6: Final answer
   x = 68,529.52