Finding the Fourth Proportional to 95,148.72, 142,739.46 and 31,974.88

Step by Step Solution

1. Step 1: Write the proportion equation
   95,148.72 : 142,739.46 = 31,974.88 : x
2. Step 2: Convert to fraction form
   95,148.72/142,739.46 = 31,974.88/x
3. Step 3: Cross multiply
   95,148.72x = 142,739.46 × 31,974.88
4. Step 4: Simplify right side
   95,148.72x = 4,564,077,104.76
5. Step 5: Solve for x
   x = 4,564,077,104.76/95,148.72
6. Step 6: Final answer
   x = 47,967.82