Finding the Fourth Proportional to 10,603.76, 14,626.70 and 7,623.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,603.76 : 14,626.70 = 7,623.62 : x
2. Step 2: Convert to fraction form
   10,603.76/14,626.70 = 7,623.62/x
3. Step 3: Cross multiply
   10,603.76x = 14,626.70 × 7,623.62
4. Step 4: Simplify right side
   10,603.76x = 111,508,402.65
5. Step 5: Solve for x
   x = 111,508,402.65/10,603.76
6. Step 6: Final answer
   x = 10,515.93