Finding the Fourth Proportional to 4,003.32, 5,521.80 and 3,672.84

Step by Step Solution

1. Step 1: Write the proportion equation
   4,003.32 : 5,521.80 = 3,672.84 : x
2. Step 2: Convert to fraction form
   4,003.32/5,521.80 = 3,672.84/x
3. Step 3: Cross multiply
   4,003.32x = 5,521.80 × 3,672.84
4. Step 4: Simplify right side
   4,003.32x = 20,280,687.91
5. Step 5: Solve for x
   x = 20,280,687.91/4,003.32
6. Step 6: Final answer
   x = 5,065.97