Finding the Fourth Proportional to 82,318.62, 123,475.16 and 34,903.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,318.62 : 123,475.16 = 34,903.20 : x
2. Step 2: Convert to fraction form
   82,318.62/123,475.16 = 34,903.20/x
3. Step 3: Cross multiply
   82,318.62x = 123,475.16 × 34,903.20
4. Step 4: Simplify right side
   82,318.62x = 4,309,678,030.00
5. Step 5: Solve for x
   x = 4,309,678,030.00/82,318.62
6. Step 6: Final answer
   x = 52,353.62