Finding the Fourth Proportional to 10,353.10, 14,287.23 and 5,637.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,353.10 : 14,287.23 = 5,637.28 : x
2. Step 2: Convert to fraction form
   10,353.10/14,287.23 = 5,637.28/x
3. Step 3: Cross multiply
   10,353.10x = 14,287.23 × 5,637.28
4. Step 4: Simplify right side
   10,353.10x = 80,541,080.22
5. Step 5: Solve for x
   x = 80,541,080.22/10,353.10
6. Step 6: Final answer
   x = 7,779.42