Finding the Fourth Proportional to 10,395.40, 14,345.64 and 5,615.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,395.40 : 14,345.64 = 5,615.34 : x
2. Step 2: Convert to fraction form
   10,395.40/14,345.64 = 5,615.34/x
3. Step 3: Cross multiply
   10,395.40x = 14,345.64 × 5,615.34
4. Step 4: Simplify right side
   10,395.40x = 80,555,646.12
5. Step 5: Solve for x
   x = 80,555,646.12/10,395.40
6. Step 6: Final answer
   x = 7,749.17