Finding the Fourth Proportional to 83,653.52, 115,434.18 and 49,656.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,653.52 : 115,434.18 = 49,656.20 : x
2. Step 2: Convert to fraction form
   83,653.52/115,434.18 = 49,656.20/x
3. Step 3: Cross multiply
   83,653.52x = 115,434.18 × 49,656.20
4. Step 4: Simplify right side
   83,653.52x = 5,732,022,151.75
5. Step 5: Solve for x
   x = 5,732,022,151.75/83,653.52
6. Step 6: Final answer
   x = 68,521.00