Finding the Fourth Proportional to 3,521.69, 5,282.33 and 1,056.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.69 : 5,282.33 = 1,056.56 : x
2. Step 2: Convert to fraction form
   3,521.69/5,282.33 = 1,056.56/x
3. Step 3: Cross multiply
   3,521.69x = 5,282.33 × 1,056.56
4. Step 4: Simplify right side
   3,521.69x = 5,581,066.89
5. Step 5: Solve for x
   x = 5,581,066.89/3,521.69
6. Step 6: Final answer
   x = 1,584.77