Finding the Fourth Proportional to 233,118.71, 321,703.34 and 131,144.23

Step by Step Solution

1. Step 1: Write the proportion equation
   233,118.71 : 321,703.34 = 131,144.23 : x
2. Step 2: Convert to fraction form
   233,118.71/321,703.34 = 131,144.23/x
3. Step 3: Cross multiply
   233,118.71x = 321,703.34 × 131,144.23
4. Step 4: Simplify right side
   233,118.71x = 42,189,536,812.73
5. Step 5: Solve for x
   x = 42,189,536,812.73/233,118.71
6. Step 6: Final answer
   x = 180,978.77