Finding the Fourth Proportional to 82,700.78, 124,051.53 and 26,549.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,700.78 : 124,051.53 = 26,549.42 : x
2. Step 2: Convert to fraction form
   82,700.78/124,051.53 = 26,549.42/x
3. Step 3: Cross multiply
   82,700.78x = 124,051.53 × 26,549.42
4. Step 4: Simplify right side
   82,700.78x = 3,293,496,171.61
5. Step 5: Solve for x
   x = 3,293,496,171.61/82,700.78
6. Step 6: Final answer
   x = 39,824.25