Finding the Fourth Proportional to 143,952.89, 198,590.72 and 83,488.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,952.89 : 198,590.72 = 83,488.52 : x
2. Step 2: Convert to fraction form
   143,952.89/198,590.72 = 83,488.52/x
3. Step 3: Cross multiply
   143,952.89x = 198,590.72 × 83,488.52
4. Step 4: Simplify right side
   143,952.89x = 16,580,043,888.14
5. Step 5: Solve for x
   x = 16,580,043,888.14/143,952.89
6. Step 6: Final answer
   x = 115,176.87