Finding the Fourth Proportional to 99,067.37, 136,766.00 and 76,356.59

Step by Step Solution

1. Step 1: Write the proportion equation
   99,067.37 : 136,766.00 = 76,356.59 : x
2. Step 2: Convert to fraction form
   99,067.37/136,766.00 = 76,356.59/x
3. Step 3: Cross multiply
   99,067.37x = 136,766.00 × 76,356.59
4. Step 4: Simplify right side
   99,067.37x = 10,442,984,895.00
5. Step 5: Solve for x
   x = 10,442,984,895.00/99,067.37
6. Step 6: Final answer
   x = 105,412.97