Finding the Fourth Proportional to 124,595.82, 172,003.91 and 76,875.48

Step by Step Solution

1. Step 1: Write the proportion equation
   124,595.82 : 172,003.91 = 76,875.48 : x
2. Step 2: Convert to fraction form
   124,595.82/172,003.91 = 76,875.48/x
3. Step 3: Cross multiply
   124,595.82x = 172,003.91 × 76,875.48
4. Step 4: Simplify right side
   124,595.82x = 13,222,882,758.75
5. Step 5: Solve for x
   x = 13,222,882,758.75/124,595.82
6. Step 6: Final answer
   x = 106,126.21