Finding the Fourth Proportional to 95,404.89, 143,128.13 and 28,843.31

Step by Step Solution

1. Step 1: Write the proportion equation
   95,404.89 : 143,128.13 = 28,843.31 : x
2. Step 2: Convert to fraction form
   95,404.89/143,128.13 = 28,843.31/x
3. Step 3: Cross multiply
   95,404.89x = 143,128.13 × 28,843.31
4. Step 4: Simplify right side
   95,404.89x = 4,128,289,023.31
5. Step 5: Solve for x
   x = 4,128,289,023.31/95,404.89
6. Step 6: Final answer
   x = 43,271.25