Finding the Fourth Proportional to 82,615.62, 123,926.32 and 26,457.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,615.62 : 123,926.32 = 26,457.42 : x
2. Step 2: Convert to fraction form
   82,615.62/123,926.32 = 26,457.42/x
3. Step 3: Cross multiply
   82,615.62x = 123,926.32 × 26,457.42
4. Step 4: Simplify right side
   82,615.62x = 3,278,770,697.29
5. Step 5: Solve for x
   x = 3,278,770,697.29/82,615.62
6. Step 6: Final answer
   x = 39,687.06