Finding the Fourth Proportional to 17,311.88, 25,943.52 and 7,443.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,311.88 : 25,943.52 = 7,443.74 : x
2. Step 2: Convert to fraction form
   17,311.88/25,943.52 = 7,443.74/x
3. Step 3: Cross multiply
   17,311.88x = 25,943.52 × 7,443.74
4. Step 4: Simplify right side
   17,311.88x = 193,116,817.56
5. Step 5: Solve for x
   x = 193,116,817.56/17,311.88
6. Step 6: Final answer
   x = 11,155.16