Finding the Fourth Proportional to 76,665.42, 114,959.22 and 35,076.78

Step by Step Solution

1. Step 1: Write the proportion equation
   76,665.42 : 114,959.22 = 35,076.78 : x
2. Step 2: Convert to fraction form
   76,665.42/114,959.22 = 35,076.78/x
3. Step 3: Cross multiply
   76,665.42x = 114,959.22 × 35,076.78
4. Step 4: Simplify right side
   76,665.42x = 4,032,399,268.91
5. Step 5: Solve for x
   x = 4,032,399,268.91/76,665.42
6. Step 6: Final answer
   x = 52,597.37