Finding the Fourth Proportional to 6,225.48, 8,590.96 and 3,392.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,225.48 : 8,590.96 = 3,392.72 : x
2. Step 2: Convert to fraction form
   6,225.48/8,590.96 = 3,392.72/x
3. Step 3: Cross multiply
   6,225.48x = 8,590.96 × 3,392.72
4. Step 4: Simplify right side
   6,225.48x = 29,146,721.81
5. Step 5: Solve for x
   x = 29,146,721.81/6,225.48
6. Step 6: Final answer
   x = 4,681.84