Finding the Fourth Proportional to 9,578.52, 14,367.76 and 2,653

Step by Step Solution

1. Step 1: Write the proportion equation
   9,578.52 : 14,367.76 = 2,653 : x
2. Step 2: Convert to fraction form
   9,578.52/14,367.76 = 2,653/x
3. Step 3: Cross multiply
   9,578.52x = 14,367.76 × 2,653
4. Step 4: Simplify right side
   9,578.52x = 38,117,667.28
5. Step 5: Solve for x
   x = 38,117,667.28/9,578.52
6. Step 6: Final answer
   x = 3,979.49