Finding the Fourth Proportional to 47,285.80, 65,233.72 and 31,132.27

Step by Step Solution

1. Step 1: Write the proportion equation
   47,285.80 : 65,233.72 = 31,132.27 : x
2. Step 2: Convert to fraction form
   47,285.80/65,233.72 = 31,132.27/x
3. Step 3: Cross multiply
   47,285.80x = 65,233.72 × 31,132.27
4. Step 4: Simplify right side
   47,285.80x = 2,030,873,784.14
5. Step 5: Solve for x
   x = 2,030,873,784.14/47,285.80
6. Step 6: Final answer
   x = 42,948.91