Finding the Fourth Proportional to 10,008.34, 13,810.31 and 5,531.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,008.34 : 13,810.31 = 5,531.48 : x
2. Step 2: Convert to fraction form
   10,008.34/13,810.31 = 5,531.48/x
3. Step 3: Cross multiply
   10,008.34x = 13,810.31 × 5,531.48
4. Step 4: Simplify right side
   10,008.34x = 76,391,425.90
5. Step 5: Solve for x
   x = 76,391,425.90/10,008.34
6. Step 6: Final answer
   x = 7,632.78