Finding the Fourth Proportional to 233,086.02, 321,655.50 and 131,103.78

Step by Step Solution

1. Step 1: Write the proportion equation
   233,086.02 : 321,655.50 = 131,103.78 : x
2. Step 2: Convert to fraction form
   233,086.02/321,655.50 = 131,103.78/x
3. Step 3: Cross multiply
   233,086.02x = 321,655.50 × 131,103.78
4. Step 4: Simplify right side
   233,086.02x = 42,170,251,907.79
5. Step 5: Solve for x
   x = 42,170,251,907.79/233,086.02
6. Step 6: Final answer
   x = 180,921.41