Finding the Fourth Proportional to 3,653.67, 5,479.89 and 1,056

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.67 : 5,479.89 = 1,056 : x
2. Step 2: Convert to fraction form
   3,653.67/5,479.89 = 1,056/x
3. Step 3: Cross multiply
   3,653.67x = 5,479.89 × 1,056
4. Step 4: Simplify right side
   3,653.67x = 5,786,763.84
5. Step 5: Solve for x
   x = 5,786,763.84/3,653.67
6. Step 6: Final answer
   x = 1,583.82