Finding the Fourth Proportional to 11,943.74, 16,490.10 and 7,474.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,943.74 : 16,490.10 = 7,474.16 : x
2. Step 2: Convert to fraction form
   11,943.74/16,490.10 = 7,474.16/x
3. Step 3: Cross multiply
   11,943.74x = 16,490.10 × 7,474.16
4. Step 4: Simplify right side
   11,943.74x = 123,249,645.82
5. Step 5: Solve for x
   x = 123,249,645.82/11,943.74
6. Step 6: Final answer
   x = 10,319.18