Finding the Fourth Proportional to 22,473, 31,018.32 and 13,047.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,473 : 31,018.32 = 13,047.12 : x
2. Step 2: Convert to fraction form
   22,473/31,018.32 = 13,047.12/x
3. Step 3: Cross multiply
   22,473x = 31,018.32 × 13,047.12
4. Step 4: Simplify right side
   22,473x = 404,699,743.24
5. Step 5: Solve for x
   x = 404,699,743.24/22,473
6. Step 6: Final answer
   x = 18,008.27