Finding the Fourth Proportional to 95,185.52, 142,772.76 and 28,624.20

Step by Step Solution

1. Step 1: Write the proportion equation
   95,185.52 : 142,772.76 = 28,624.20 : x
2. Step 2: Convert to fraction form
   95,185.52/142,772.76 = 28,624.20/x
3. Step 3: Cross multiply
   95,185.52x = 142,772.76 × 28,624.20
4. Step 4: Simplify right side
   95,185.52x = 4,086,756,036.79
5. Step 5: Solve for x
   x = 4,086,756,036.79/95,185.52
6. Step 6: Final answer
   x = 42,934.64