Finding the Fourth Proportional to 22,641.72, 31,246.74 and 17,043

Step by Step Solution

1. Step 1: Write the proportion equation
   22,641.72 : 31,246.74 = 17,043 : x
2. Step 2: Convert to fraction form
   22,641.72/31,246.74 = 17,043/x
3. Step 3: Cross multiply
   22,641.72x = 31,246.74 × 17,043
4. Step 4: Simplify right side
   22,641.72x = 532,538,189.82
5. Step 5: Solve for x
   x = 532,538,189.82/22,641.72
6. Step 6: Final answer
   x = 23,520.22