Finding the Fourth Proportional to 10,339.10, 14,267.78 and 5,623.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.10 : 14,267.78 = 5,623.36 : x
2. Step 2: Convert to fraction form
   10,339.10/14,267.78 = 5,623.36/x
3. Step 3: Cross multiply
   10,339.10x = 14,267.78 × 5,623.36
4. Step 4: Simplify right side
   10,339.10x = 80,232,763.89
5. Step 5: Solve for x
   x = 80,232,763.89/10,339.10
6. Step 6: Final answer
   x = 7,760.13