Finding the Fourth Proportional to 12,328.50, 17,017.65 and 7,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,328.50 : 17,017.65 = 7,360.50 : x
2. Step 2: Convert to fraction form
   12,328.50/17,017.65 = 7,360.50/x
3. Step 3: Cross multiply
   12,328.50x = 17,017.65 × 7,360.50
4. Step 4: Simplify right side
   12,328.50x = 125,258,412.83
5. Step 5: Solve for x
   x = 125,258,412.83/12,328.50
6. Step 6: Final answer
   x = 10,160.07