Finding the Fourth Proportional to 10,972.32, 16,454.89 and 3,574.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,972.32 : 16,454.89 = 3,574.99 : x
2. Step 2: Convert to fraction form
   10,972.32/16,454.89 = 3,574.99/x
3. Step 3: Cross multiply
   10,972.32x = 16,454.89 × 3,574.99
4. Step 4: Simplify right side
   10,972.32x = 58,826,067.20
5. Step 5: Solve for x
   x = 58,826,067.20/10,972.32
6. Step 6: Final answer
   x = 5,361.32