Finding the Fourth Proportional to 2,357.38, 3,533.16 and 1,056.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.38 : 3,533.16 = 1,056.16 : x
2. Step 2: Convert to fraction form
   2,357.38/3,533.16 = 1,056.16/x
3. Step 3: Cross multiply
   2,357.38x = 3,533.16 × 1,056.16
4. Step 4: Simplify right side
   2,357.38x = 3,731,582.27
5. Step 5: Solve for x
   x = 3,731,582.27/2,357.38
6. Step 6: Final answer
   x = 1,582.94