Finding the Fourth Proportional to 82,931.55, 114,443.78 and 50,655.07

Step by Step Solution

1. Step 1: Write the proportion equation
   82,931.55 : 114,443.78 = 50,655.07 : x
2. Step 2: Convert to fraction form
   82,931.55/114,443.78 = 50,655.07/x
3. Step 3: Cross multiply
   82,931.55x = 114,443.78 × 50,655.07
4. Step 4: Simplify right side
   82,931.55x = 5,797,157,686.96
5. Step 5: Solve for x
   x = 5,797,157,686.96/82,931.55
6. Step 6: Final answer
   x = 69,902.92