Finding the Fourth Proportional to 2,357.37, 3,533.31 and 1,056.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.37 : 3,533.31 = 1,056.11 : x
2. Step 2: Convert to fraction form
   2,357.37/3,533.31 = 1,056.11/x
3. Step 3: Cross multiply
   2,357.37x = 3,533.31 × 1,056.11
4. Step 4: Simplify right side
   2,357.37x = 3,731,546.36
5. Step 5: Solve for x
   x = 3,731,546.36/2,357.37
6. Step 6: Final answer
   x = 1,582.93