Finding the Fourth Proportional to 119,144.72, 164,456.62 and 76,703.25

Step by Step Solution

1. Step 1: Write the proportion equation
   119,144.72 : 164,456.62 = 76,703.25 : x
2. Step 2: Convert to fraction form
   119,144.72/164,456.62 = 76,703.25/x
3. Step 3: Cross multiply
   119,144.72x = 164,456.62 × 76,703.25
4. Step 4: Simplify right side
   119,144.72x = 12,614,357,046.26
5. Step 5: Solve for x
   x = 12,614,357,046.26/119,144.72
6. Step 6: Final answer
   x = 105,874.24