Finding the Fourth Proportional to 10,838.64, 14,950.50 and 7,475.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,838.64 : 14,950.50 = 7,475.70 : x
2. Step 2: Convert to fraction form
   10,838.64/14,950.50 = 7,475.70/x
3. Step 3: Cross multiply
   10,838.64x = 14,950.50 × 7,475.70
4. Step 4: Simplify right side
   10,838.64x = 111,765,452.85
5. Step 5: Solve for x
   x = 111,765,452.85/10,838.64
6. Step 6: Final answer
   x = 10,311.76