Finding the Fourth Proportional to 10,020.30, 13,827.27 and 5,543.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.30 : 13,827.27 = 5,543.22 : x
2. Step 2: Convert to fraction form
   10,020.30/13,827.27 = 5,543.22/x
3. Step 3: Cross multiply
   10,020.30x = 13,827.27 × 5,543.22
4. Step 4: Simplify right side
   10,020.30x = 76,647,599.61
5. Step 5: Solve for x
   x = 76,647,599.61/10,020.30
6. Step 6: Final answer
   x = 7,649.23