Finding the Fourth Proportional to 10,338.79, 14,267.48 and 5,623.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.79 : 14,267.48 = 5,623.07 : x
2. Step 2: Convert to fraction form
   10,338.79/14,267.48 = 5,623.07/x
3. Step 3: Cross multiply
   10,338.79x = 14,267.48 × 5,623.07
4. Step 4: Simplify right side
   10,338.79x = 80,226,939.31
5. Step 5: Solve for x
   x = 80,226,939.31/10,338.79
6. Step 6: Final answer
   x = 7,759.80