Finding the Fourth Proportional to 82,782.78, 124,178.76 and 23,613.90

Step by Step Solution

1. Step 1: Write the proportion equation
   82,782.78 : 124,178.76 = 23,613.90 : x
2. Step 2: Convert to fraction form
   82,782.78/124,178.76 = 23,613.90/x
3. Step 3: Cross multiply
   82,782.78x = 124,178.76 × 23,613.90
4. Step 4: Simplify right side
   82,782.78x = 2,932,344,820.76
5. Step 5: Solve for x
   x = 2,932,344,820.76/82,782.78
6. Step 6: Final answer
   x = 35,422.16