Finding the Fourth Proportional to 7,147.32, 9,863.30 and 4,003.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,147.32 : 9,863.30 = 4,003.58 : x
2. Step 2: Convert to fraction form
   7,147.32/9,863.30 = 4,003.58/x
3. Step 3: Cross multiply
   7,147.32x = 9,863.30 × 4,003.58
4. Step 4: Simplify right side
   7,147.32x = 39,488,510.61
5. Step 5: Solve for x
   x = 39,488,510.61/7,147.32
6. Step 6: Final answer
   x = 5,524.94