Finding the Fourth Proportional to 12,323.70, 17,005.38 and 7,288.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,323.70 : 17,005.38 = 7,288.10 : x
2. Step 2: Convert to fraction form
   12,323.70/17,005.38 = 7,288.10/x
3. Step 3: Cross multiply
   12,323.70x = 17,005.38 × 7,288.10
4. Step 4: Simplify right side
   12,323.70x = 123,936,909.98
5. Step 5: Solve for x
   x = 123,936,909.98/12,323.70
6. Step 6: Final answer
   x = 10,056.79