Finding the Fourth Proportional to 82,209.96, 123,312.06 and 34,812

Step by Step Solution

1. Step 1: Write the proportion equation
   82,209.96 : 123,312.06 = 34,812 : x
2. Step 2: Convert to fraction form
   82,209.96/123,312.06 = 34,812/x
3. Step 3: Cross multiply
   82,209.96x = 123,312.06 × 34,812
4. Step 4: Simplify right side
   82,209.96x = 4,292,739,432.72
5. Step 5: Solve for x
   x = 4,292,739,432.72/82,209.96
6. Step 6: Final answer
   x = 52,216.78