Finding the Fourth Proportional to 2,355.40, 3,532.83 and 1,056.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.40 : 3,532.83 = 1,056.16 : x
2. Step 2: Convert to fraction form
   2,355.40/3,532.83 = 1,056.16/x
3. Step 3: Cross multiply
   2,355.40x = 3,532.83 × 1,056.16
4. Step 4: Simplify right side
   2,355.40x = 3,731,233.73
5. Step 5: Solve for x
   x = 3,731,233.73/2,355.40
6. Step 6: Final answer
   x = 1,584.12