Finding the Fourth Proportional to 10,020.03, 13,827.09 and 5,543.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.03 : 13,827.09 = 5,543.49 : x
2. Step 2: Convert to fraction form
   10,020.03/13,827.09 = 5,543.49/x
3. Step 3: Cross multiply
   10,020.03x = 13,827.09 × 5,543.49
4. Step 4: Simplify right side
   10,020.03x = 76,650,335.14
5. Step 5: Solve for x
   x = 76,650,335.14/10,020.03
6. Step 6: Final answer
   x = 7,649.71