Finding the Fourth Proportional to 6,587.33, 9,866.15 and 4,621.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,587.33 : 9,866.15 = 4,621.72 : x
2. Step 2: Convert to fraction form
   6,587.33/9,866.15 = 4,621.72/x
3. Step 3: Cross multiply
   6,587.33x = 9,866.15 × 4,621.72
4. Step 4: Simplify right side
   6,587.33x = 45,598,569.67
5. Step 5: Solve for x
   x = 45,598,569.67/6,587.33
6. Step 6: Final answer
   x = 6,922.17