Finding the Fourth Proportional to 13,981.62, 19,294.74 and 7,608.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,981.62 : 19,294.74 = 7,608.30 : x
2. Step 2: Convert to fraction form
   13,981.62/19,294.74 = 7,608.30/x
3. Step 3: Cross multiply
   13,981.62x = 19,294.74 × 7,608.30
4. Step 4: Simplify right side
   13,981.62x = 146,800,170.34
5. Step 5: Solve for x
   x = 146,800,170.34/13,981.62
6. Step 6: Final answer
   x = 10,499.51