Finding the Fourth Proportional to 95,108.58, 142,686.54 and 28,549.89

Step by Step Solution

1. Step 1: Write the proportion equation
   95,108.58 : 142,686.54 = 28,549.89 : x
2. Step 2: Convert to fraction form
   95,108.58/142,686.54 = 28,549.89/x
3. Step 3: Cross multiply
   95,108.58x = 142,686.54 × 28,549.89
4. Step 4: Simplify right side
   95,108.58x = 4,073,685,021.48
5. Step 5: Solve for x
   x = 4,073,685,021.48/95,108.58
6. Step 6: Final answer
   x = 42,831.94