Finding the Fourth Proportional to 83,681.37, 115,452.48 and 49,700.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,681.37 : 115,452.48 = 49,700.25 : x
2. Step 2: Convert to fraction form
   83,681.37/115,452.48 = 49,700.25/x
3. Step 3: Cross multiply
   83,681.37x = 115,452.48 × 49,700.25
4. Step 4: Simplify right side
   83,681.37x = 5,738,017,119.12
5. Step 5: Solve for x
   x = 5,738,017,119.12/83,681.37
6. Step 6: Final answer
   x = 68,569.83