Finding the Fourth Proportional to 82,285.71, 123,345.45 and 32,400.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82,285.71 : 123,345.45 = 32,400.81 : x
2. Step 2: Convert to fraction form
   82,285.71/123,345.45 = 32,400.81/x
3. Step 3: Cross multiply
   82,285.71x = 123,345.45 × 32,400.81
4. Step 4: Simplify right side
   82,285.71x = 3,996,492,489.81
5. Step 5: Solve for x
   x = 3,996,492,489.81/82,285.71
6. Step 6: Final answer
   x = 48,568.49