Finding the Fourth Proportional to 83,654.52, 115,435.56 and 49,657.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,654.52 : 115,435.56 = 49,657.20 : x
2. Step 2: Convert to fraction form
   83,654.52/115,435.56 = 49,657.20/x
3. Step 3: Cross multiply
   83,654.52x = 115,435.56 × 49,657.20
4. Step 4: Simplify right side
   83,654.52x = 5,732,206,690.03
5. Step 5: Solve for x
   x = 5,732,206,690.03/83,654.52
6. Step 6: Final answer
   x = 68,522.38