Finding the Fourth Proportional to 47,417.79, 65,445.89 and 28,287.99

Step by Step Solution

1. Step 1: Write the proportion equation
   47,417.79 : 65,445.89 = 28,287.99 : x
2. Step 2: Convert to fraction form
   47,417.79/65,445.89 = 28,287.99/x
3. Step 3: Cross multiply
   47,417.79x = 65,445.89 × 28,287.99
4. Step 4: Simplify right side
   47,417.79x = 1,851,332,681.86
5. Step 5: Solve for x
   x = 1,851,332,681.86/47,417.79
6. Step 6: Final answer
   x = 39,043.00