Finding the Fourth Proportional to 95,144.10, 142,738.02 and 28,585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   95,144.10 : 142,738.02 = 28,585.50 : x
2. Step 2: Convert to fraction form
   95,144.10/142,738.02 = 28,585.50/x
3. Step 3: Cross multiply
   95,144.10x = 142,738.02 × 28,585.50
4. Step 4: Simplify right side
   95,144.10x = 4,080,237,670.71
5. Step 5: Solve for x
   x = 4,080,237,670.71/95,144.10
6. Step 6: Final answer
   x = 42,884.82