Finding the Fourth Proportional to 53,168.27, 79,898.89 and 28,227.00

Step by Step Solution

1. Step 1: Write the proportion equation
   53,168.27 : 79,898.89 = 28,227.00 : x
2. Step 2: Convert to fraction form
   53,168.27/79,898.89 = 28,227.00/x
3. Step 3: Cross multiply
   53,168.27x = 79,898.89 × 28,227.00
4. Step 4: Simplify right side
   53,168.27x = 2,255,305,800.58
5. Step 5: Solve for x
   x = 2,255,305,800.58/53,168.27
6. Step 6: Final answer
   x = 42,418.27