Finding the Fourth Proportional to 5,225.76, 7,838.72 and 1,330.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,225.76 : 7,838.72 = 1,330.24 : x
2. Step 2: Convert to fraction form
   5,225.76/7,838.72 = 1,330.24/x
3. Step 3: Cross multiply
   5,225.76x = 7,838.72 × 1,330.24
4. Step 4: Simplify right side
   5,225.76x = 10,427,378.89
5. Step 5: Solve for x
   x = 10,427,378.89/5,225.76
6. Step 6: Final answer
   x = 1,995.38