Finding the Fourth Proportional to 10,396.03, 14,346.56 and 5,680.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,396.03 : 14,346.56 = 5,680.31 : x
2. Step 2: Convert to fraction form
   10,396.03/14,346.56 = 5,680.31/x
3. Step 3: Cross multiply
   10,396.03x = 14,346.56 × 5,680.31
4. Step 4: Simplify right side
   10,396.03x = 81,492,908.23
5. Step 5: Solve for x
   x = 81,492,908.23/10,396.03
6. Step 6: Final answer
   x = 7,838.85