Finding the Fourth Proportional to 11,744.06, 17,616.22 and 2,978.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,744.06 : 17,616.22 = 2,978.98 : x
2. Step 2: Convert to fraction form
   11,744.06/17,616.22 = 2,978.98/x
3. Step 3: Cross multiply
   11,744.06x = 17,616.22 × 2,978.98
4. Step 4: Simplify right side
   11,744.06x = 52,478,367.06
5. Step 5: Solve for x
   x = 52,478,367.06/11,744.06
6. Step 6: Final answer
   x = 4,468.50