Finding the Fourth Proportional to 2,335.16, 3,500.88 and 1,555.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.16 : 3,500.88 = 1,555.12 : x
2. Step 2: Convert to fraction form
   2,335.16/3,500.88 = 1,555.12/x
3. Step 3: Cross multiply
   2,335.16x = 3,500.88 × 1,555.12
4. Step 4: Simplify right side
   2,335.16x = 5,444,288.51
5. Step 5: Solve for x
   x = 5,444,288.51/2,335.16
6. Step 6: Final answer
   x = 2,331.44