Finding the Fourth Proportional to 10,521.32, 14,519.49 and 5,741.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,521.32 : 14,519.49 = 5,741.60 : x
2. Step 2: Convert to fraction form
   10,521.32/14,519.49 = 5,741.60/x
3. Step 3: Cross multiply
   10,521.32x = 14,519.49 × 5,741.60
4. Step 4: Simplify right side
   10,521.32x = 83,365,103.78
5. Step 5: Solve for x
   x = 83,365,103.78/10,521.32
6. Step 6: Final answer
   x = 7,923.45