Finding the Fourth Proportional to 22,470.48, 31,019.76 and 13,037.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,470.48 : 31,019.76 = 13,037.22 : x
2. Step 2: Convert to fraction form
   22,470.48/31,019.76 = 13,037.22/x
3. Step 3: Cross multiply
   22,470.48x = 31,019.76 × 13,037.22
4. Step 4: Simplify right side
   22,470.48x = 404,411,435.47
5. Step 5: Solve for x
   x = 404,411,435.47/22,470.48
6. Step 6: Final answer
   x = 17,997.45