Finding the Fourth Proportional to 10,971.43, 16,458.84 and 3,574.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,971.43 : 16,458.84 = 3,574.15 : x
2. Step 2: Convert to fraction form
   10,971.43/16,458.84 = 3,574.15/x
3. Step 3: Cross multiply
   10,971.43x = 16,458.84 × 3,574.15
4. Step 4: Simplify right side
   10,971.43x = 58,826,321.84
5. Step 5: Solve for x
   x = 58,826,321.84/10,971.43
6. Step 6: Final answer
   x = 5,361.77