Finding the Fourth Proportional to 82,574.96, 123,775.68 and 40,396.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,574.96 : 123,775.68 = 40,396.80 : x
2. Step 2: Convert to fraction form
   82,574.96/123,775.68 = 40,396.80/x
3. Step 3: Cross multiply
   82,574.96x = 123,775.68 × 40,396.80
4. Step 4: Simplify right side
   82,574.96x = 5,000,141,389.82
5. Step 5: Solve for x
   x = 5,000,141,389.82/82,574.96
6. Step 6: Final answer
   x = 60,552.76