Finding the Fourth Proportional to 2,288.37, 3,428.01 and 1,054.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.37 : 3,428.01 = 1,054.08 : x
2. Step 2: Convert to fraction form
   2,288.37/3,428.01 = 1,054.08/x
3. Step 3: Cross multiply
   2,288.37x = 3,428.01 × 1,054.08
4. Step 4: Simplify right side
   2,288.37x = 3,613,396.78
5. Step 5: Solve for x
   x = 3,613,396.78/2,288.37
6. Step 6: Final answer
   x = 1,579.03