Finding the Fourth Proportional to 9,544.47, 14,320.34 and 5,389.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,544.47 : 14,320.34 = 5,389.17 : x
2. Step 2: Convert to fraction form
   9,544.47/14,320.34 = 5,389.17/x
3. Step 3: Cross multiply
   9,544.47x = 14,320.34 × 5,389.17
4. Step 4: Simplify right side
   9,544.47x = 77,174,746.72
5. Step 5: Solve for x
   x = 77,174,746.72/9,544.47
6. Step 6: Final answer
   x = 8,085.81