Finding the Fourth Proportional to 143,948.46, 198,498.15 and 123,873.42

Step by Step Solution

1. Step 1: Write the proportion equation
   143,948.46 : 198,498.15 = 123,873.42 : x
2. Step 2: Convert to fraction form
   143,948.46/198,498.15 = 123,873.42/x
3. Step 3: Cross multiply
   143,948.46x = 198,498.15 × 123,873.42
4. Step 4: Simplify right side
   143,948.46x = 24,588,644,704.17
5. Step 5: Solve for x
   x = 24,588,644,704.17/143,948.46
6. Step 6: Final answer
   x = 170,815.61