Finding the Fourth Proportional to 10,020.09, 13,827.61 and 5,543.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.09 : 13,827.61 = 5,543.81 : x
2. Step 2: Convert to fraction form
   10,020.09/13,827.61 = 5,543.81/x
3. Step 3: Cross multiply
   10,020.09x = 13,827.61 × 5,543.81
4. Step 4: Simplify right side
   10,020.09x = 76,657,632.24
5. Step 5: Solve for x
   x = 76,657,632.24/10,020.09
6. Step 6: Final answer
   x = 7,650.39