Finding the Fourth Proportional to 32,142.48, 47,994.96 and 28,362.78

Step by Step Solution

1. Step 1: Write the proportion equation
   32,142.48 : 47,994.96 = 28,362.78 : x
2. Step 2: Convert to fraction form
   32,142.48/47,994.96 = 28,362.78/x
3. Step 3: Cross multiply
   32,142.48x = 47,994.96 × 28,362.78
4. Step 4: Simplify right side
   32,142.48x = 1,361,270,491.59
5. Step 5: Solve for x
   x = 1,361,270,491.59/32,142.48
6. Step 6: Final answer
   x = 42,351.13