Finding the Fourth Proportional to 9,301.32, 12,834.18 and 5,321.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,301.32 : 12,834.18 = 5,321.55 : x
2. Step 2: Convert to fraction form
   9,301.32/12,834.18 = 5,321.55/x
3. Step 3: Cross multiply
   9,301.32x = 12,834.18 × 5,321.55
4. Step 4: Simplify right side
   9,301.32x = 68,297,730.58
5. Step 5: Solve for x
   x = 68,297,730.58/9,301.32
6. Step 6: Final answer
   x = 7,342.80