Finding the Fourth Proportional to 22,491.48, 33,729.93 and 10,643.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,491.48 : 33,729.93 = 10,643.43 : x
2. Step 2: Convert to fraction form
   22,491.48/33,729.93 = 10,643.43/x
3. Step 3: Cross multiply
   22,491.48x = 33,729.93 × 10,643.43
4. Step 4: Simplify right side
   22,491.48x = 359,002,148.86
5. Step 5: Solve for x
   x = 359,002,148.86/22,491.48
6. Step 6: Final answer
   x = 15,961.70