Finding the Fourth Proportional to 9,435.86, 14,159.22 and 5,543

Step by Step Solution

1. Step 1: Write the proportion equation
   9,435.86 : 14,159.22 = 5,543 : x
2. Step 2: Convert to fraction form
   9,435.86/14,159.22 = 5,543/x
3. Step 3: Cross multiply
   9,435.86x = 14,159.22 × 5,543
4. Step 4: Simplify right side
   9,435.86x = 78,484,556.46
5. Step 5: Solve for x
   x = 78,484,556.46/9,435.86
6. Step 6: Final answer
   x = 8,317.69