Finding the Fourth Proportional to 22,061.47, 33,009.58 and 13,144.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,061.47 : 33,009.58 = 13,144.18 : x
2. Step 2: Convert to fraction form
   22,061.47/33,009.58 = 13,144.18/x
3. Step 3: Cross multiply
   22,061.47x = 33,009.58 × 13,144.18
4. Step 4: Simplify right side
   22,061.47x = 433,883,861.24
5. Step 5: Solve for x
   x = 433,883,861.24/22,061.47
6. Step 6: Final answer
   x = 19,667.04