Finding the Fourth Proportional to 6,002.76, 8,272.35 and 4,321.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,002.76 : 8,272.35 = 4,321.20 : x
2. Step 2: Convert to fraction form
   6,002.76/8,272.35 = 4,321.20/x
3. Step 3: Cross multiply
   6,002.76x = 8,272.35 × 4,321.20
4. Step 4: Simplify right side
   6,002.76x = 35,746,478.82
5. Step 5: Solve for x
   x = 35,746,478.82/6,002.76
6. Step 6: Final answer
   x = 5,955.01