Finding the Fourth Proportional to 82,219.56, 123,225.50 and 68,533.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,219.56 : 123,225.50 = 68,533.80 : x
2. Step 2: Convert to fraction form
   82,219.56/123,225.50 = 68,533.80/x
3. Step 3: Cross multiply
   82,219.56x = 123,225.50 × 68,533.80
4. Step 4: Simplify right side
   82,219.56x = 8,445,111,771.90
5. Step 5: Solve for x
   x = 8,445,111,771.90/82,219.56
6. Step 6: Final answer
   x = 102,714.14