Finding the Fourth Proportional to 10,354.08, 14,288.46 and 5,638.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,354.08 : 14,288.46 = 5,638.26 : x
2. Step 2: Convert to fraction form
   10,354.08/14,288.46 = 5,638.26/x
3. Step 3: Cross multiply
   10,354.08x = 14,288.46 × 5,638.26
4. Step 4: Simplify right side
   10,354.08x = 80,562,052.48
5. Step 5: Solve for x
   x = 80,562,052.48/10,354.08
6. Step 6: Final answer
   x = 7,780.71