Finding the Fourth Proportional to 5,402.30, 8,097.57 and 3,554.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,402.30 : 8,097.57 = 3,554.69 : x
2. Step 2: Convert to fraction form
   5,402.30/8,097.57 = 3,554.69/x
3. Step 3: Cross multiply
   5,402.30x = 8,097.57 × 3,554.69
4. Step 4: Simplify right side
   5,402.30x = 28,784,310.62
5. Step 5: Solve for x
   x = 28,784,310.62/5,402.30
6. Step 6: Final answer
   x = 5,328.16