Finding the Fourth Proportional to 77,034.50, 115,561.47 and 26,443.39

Step by Step Solution

1. Step 1: Write the proportion equation
   77,034.50 : 115,561.47 = 26,443.39 : x
2. Step 2: Convert to fraction form
   77,034.50/115,561.47 = 26,443.39/x
3. Step 3: Cross multiply
   77,034.50x = 115,561.47 × 26,443.39
4. Step 4: Simplify right side
   77,034.50x = 3,055,836,442.38
5. Step 5: Solve for x
   x = 3,055,836,442.38/77,034.50
6. Step 6: Final answer
   x = 39,668.41