Finding the Fourth Proportional to 2,230.32, 3,345.72 and 1,370.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,230.32 : 3,345.72 = 1,370.16 : x
2. Step 2: Convert to fraction form
   2,230.32/3,345.72 = 1,370.16/x
3. Step 3: Cross multiply
   2,230.32x = 3,345.72 × 1,370.16
4. Step 4: Simplify right side
   2,230.32x = 4,584,171.72
5. Step 5: Solve for x
   x = 4,584,171.72/2,230.32
6. Step 6: Final answer
   x = 2,055.39