Finding the Fourth Proportional to 144,725.88, 199,819.18 and 90,360.82

Step by Step Solution

1. Step 1: Write the proportion equation
   144,725.88 : 199,819.18 = 90,360.82 : x
2. Step 2: Convert to fraction form
   144,725.88/199,819.18 = 90,360.82/x
3. Step 3: Cross multiply
   144,725.88x = 199,819.18 × 90,360.82
4. Step 4: Simplify right side
   144,725.88x = 18,055,825,777.42
5. Step 5: Solve for x
   x = 18,055,825,777.42/144,725.88
6. Step 6: Final answer
   x = 124,758.79