Finding the Fourth Proportional to 22,320.04, 30,802.62 and 13,369

Step by Step Solution

1. Step 1: Write the proportion equation
   22,320.04 : 30,802.62 = 13,369 : x
2. Step 2: Convert to fraction form
   22,320.04/30,802.62 = 13,369/x
3. Step 3: Cross multiply
   22,320.04x = 30,802.62 × 13,369
4. Step 4: Simplify right side
   22,320.04x = 411,800,226.78
5. Step 5: Solve for x
   x = 411,800,226.78/22,320.04
6. Step 6: Final answer
   x = 18,449.80