Finding the Fourth Proportional to 83,020.66, 114,585.56 and 50,760.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,020.66 : 114,585.56 = 50,760.78 : x
2. Step 2: Convert to fraction form
   83,020.66/114,585.56 = 50,760.78/x
3. Step 3: Cross multiply
   83,020.66x = 114,585.56 × 50,760.78
4. Step 4: Simplify right side
   83,020.66x = 5,816,452,402.34
5. Step 5: Solve for x
   x = 5,816,452,402.34/83,020.66
6. Step 6: Final answer
   x = 70,060.30