Finding the Fourth Proportional to 82,281.21, 123,338.70 and 32,396.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82,281.21 : 123,338.70 = 32,396.31 : x
2. Step 2: Convert to fraction form
   82,281.21/123,338.70 = 32,396.31/x
3. Step 3: Cross multiply
   82,281.21x = 123,338.70 × 32,396.31
4. Step 4: Simplify right side
   82,281.21x = 3,995,718,760.20
5. Step 5: Solve for x
   x = 3,995,718,760.20/82,281.21
6. Step 6: Final answer
   x = 48,561.74