Finding the Fourth Proportional to 82,219.32, 123,255.16 and 68,269

Step by Step Solution

1. Step 1: Write the proportion equation
   82,219.32 : 123,255.16 = 68,269 : x
2. Step 2: Convert to fraction form
   82,219.32/123,255.16 = 68,269/x
3. Step 3: Cross multiply
   82,219.32x = 123,255.16 × 68,269
4. Step 4: Simplify right side
   82,219.32x = 8,414,506,518.04
5. Step 5: Solve for x
   x = 8,414,506,518.04/82,219.32
6. Step 6: Final answer
   x = 102,342.21