Finding the Fourth Proportional to 9,069.29, 13,598.83 and 3,143.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,069.29 : 13,598.83 = 3,143.40 : x
2. Step 2: Convert to fraction form
   9,069.29/13,598.83 = 3,143.40/x
3. Step 3: Cross multiply
   9,069.29x = 13,598.83 × 3,143.40
4. Step 4: Simplify right side
   9,069.29x = 42,746,562.22
5. Step 5: Solve for x
   x = 42,746,562.22/9,069.29
6. Step 6: Final answer
   x = 4,713.33