Finding the Fourth Proportional to 140,233.83, 193,521.92 and 76,571.18

Step by Step Solution

1. Step 1: Write the proportion equation
   140,233.83 : 193,521.92 = 76,571.18 : x
2. Step 2: Convert to fraction form
   140,233.83/193,521.92 = 76,571.18/x
3. Step 3: Cross multiply
   140,233.83x = 193,521.92 × 76,571.18
4. Step 4: Simplify right side
   140,233.83x = 14,818,200,419.80
5. Step 5: Solve for x
   x = 14,818,200,419.80/140,233.83
6. Step 6: Final answer
   x = 105,667.80