Finding the Fourth Proportional to 10,315.31, 14,242.23 and 7,627.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,315.31 : 14,242.23 = 7,627.10 : x
2. Step 2: Convert to fraction form
   10,315.31/14,242.23 = 7,627.10/x
3. Step 3: Cross multiply
   10,315.31x = 14,242.23 × 7,627.10
4. Step 4: Simplify right side
   10,315.31x = 108,626,841.22
5. Step 5: Solve for x
   x = 108,626,841.22/10,315.31
6. Step 6: Final answer
   x = 10,530.65