Finding the Fourth Proportional to 10,353.05, 14,286.78 and 5,637.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,353.05 : 14,286.78 = 5,637.32 : x
2. Step 2: Convert to fraction form
   10,353.05/14,286.78 = 5,637.32/x
3. Step 3: Cross multiply
   10,353.05x = 14,286.78 × 5,637.32
4. Step 4: Simplify right side
   10,353.05x = 80,539,150.63
5. Step 5: Solve for x
   x = 80,539,150.63/10,353.05
6. Step 6: Final answer
   x = 7,779.27