Finding the Fourth Proportional to 124,633.98, 171,945.72 and 76,804.02

Step by Step Solution

1. Step 1: Write the proportion equation
   124,633.98 : 171,945.72 = 76,804.02 : x
2. Step 2: Convert to fraction form
   124,633.98/171,945.72 = 76,804.02/x
3. Step 3: Cross multiply
   124,633.98x = 171,945.72 × 76,804.02
4. Step 4: Simplify right side
   124,633.98x = 13,206,122,517.79
5. Step 5: Solve for x
   x = 13,206,122,517.79/124,633.98
6. Step 6: Final answer
   x = 105,959.25