Finding the Fourth Proportional to 10,398.18, 14,348.94 and 5,681.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.18 : 14,348.94 = 5,681.54 : x
2. Step 2: Convert to fraction form
   10,398.18/14,348.94 = 5,681.54/x
3. Step 3: Cross multiply
   10,398.18x = 14,348.94 × 5,681.54
4. Step 4: Simplify right side
   10,398.18x = 81,524,076.57
5. Step 5: Solve for x
   x = 81,524,076.57/10,398.18
6. Step 6: Final answer
   x = 7,840.23