Finding the Fourth Proportional to 10,431.34, 15,648.37 and 5,501.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,431.34 : 15,648.37 = 5,501.16 : x
2. Step 2: Convert to fraction form
   10,431.34/15,648.37 = 5,501.16/x
3. Step 3: Cross multiply
   10,431.34x = 15,648.37 × 5,501.16
4. Step 4: Simplify right side
   10,431.34x = 86,084,173.36
5. Step 5: Solve for x
   x = 86,084,173.36/10,431.34
6. Step 6: Final answer
   x = 8,252.46