Finding the Fourth Proportional to 11,643.95, 17,468.49 and 3,323.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,643.95 : 17,468.49 = 3,323.78 : x
2. Step 2: Convert to fraction form
   11,643.95/17,468.49 = 3,323.78/x
3. Step 3: Cross multiply
   11,643.95x = 17,468.49 × 3,323.78
4. Step 4: Simplify right side
   11,643.95x = 58,061,417.69
5. Step 5: Solve for x
   x = 58,061,417.69/11,643.95
6. Step 6: Final answer
   x = 4,986.40