Finding the Fourth Proportional to 10,353.48, 14,287.35 and 5,637.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,353.48 : 14,287.35 = 5,637.79 : x
2. Step 2: Convert to fraction form
   10,353.48/14,287.35 = 5,637.79/x
3. Step 3: Cross multiply
   10,353.48x = 14,287.35 × 5,637.79
4. Step 4: Simplify right side
   10,353.48x = 80,549,078.96
5. Step 5: Solve for x
   x = 80,549,078.96/10,353.48
6. Step 6: Final answer
   x = 7,779.91