Finding the Fourth Proportional to 82,128.60, 123,225.30 and 32,200.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128.60 : 123,225.30 = 32,200.20 : x
2. Step 2: Convert to fraction form
   82,128.60/123,225.30 = 32,200.20/x
3. Step 3: Cross multiply
   82,128.60x = 123,225.30 × 32,200.20
4. Step 4: Simplify right side
   82,128.60x = 3,967,879,305.06
5. Step 5: Solve for x
   x = 3,967,879,305.06/82,128.60
6. Step 6: Final answer
   x = 48,313.00