Finding the Fourth Proportional to 95,132.91, 142,698.33 and 28,570.20

Step by Step Solution

1. Step 1: Write the proportion equation
   95,132.91 : 142,698.33 = 28,570.20 : x
2. Step 2: Convert to fraction form
   95,132.91/142,698.33 = 28,570.20/x
3. Step 3: Cross multiply
   95,132.91x = 142,698.33 × 28,570.20
4. Step 4: Simplify right side
   95,132.91x = 4,076,919,827.77
5. Step 5: Solve for x
   x = 4,076,919,827.77/95,132.91
6. Step 6: Final answer
   x = 42,854.99