Finding the Fourth Proportional to 233,181.88, 321,815.82 and 142,590.76

Step by Step Solution

1. Step 1: Write the proportion equation
   233,181.88 : 321,815.82 = 142,590.76 : x
2. Step 2: Convert to fraction form
   233,181.88/321,815.82 = 142,590.76/x
3. Step 3: Cross multiply
   233,181.88x = 321,815.82 × 142,590.76
4. Step 4: Simplify right side
   233,181.88x = 45,887,962,353.82
5. Step 5: Solve for x
   x = 45,887,962,353.82/233,181.88
6. Step 6: Final answer
   x = 196,790.43