Finding the Fourth Proportional to 78,598.77, 117,912.72 and 26,008.71

Step by Step Solution

1. Step 1: Write the proportion equation
   78,598.77 : 117,912.72 = 26,008.71 : x
2. Step 2: Convert to fraction form
   78,598.77/117,912.72 = 26,008.71/x
3. Step 3: Cross multiply
   78,598.77x = 117,912.72 × 26,008.71
4. Step 4: Simplify right side
   78,598.77x = 3,066,757,739.79
5. Step 5: Solve for x
   x = 3,066,757,739.79/78,598.77
6. Step 6: Final answer
   x = 39,017.88