Finding the Fourth Proportional to 9,618.09, 14,422.52 and 5,456.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.09 : 14,422.52 = 5,456.99 : x
2. Step 2: Convert to fraction form
   9,618.09/14,422.52 = 5,456.99/x
3. Step 3: Cross multiply
   9,618.09x = 14,422.52 × 5,456.99
4. Step 4: Simplify right side
   9,618.09x = 78,703,448.02
5. Step 5: Solve for x
   x = 78,703,448.02/9,618.09
6. Step 6: Final answer
   x = 8,182.86