Finding the Fourth Proportional to 2,187.83, 3,020.22 and 1,402.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.83 : 3,020.22 = 1,402.32 : x
2. Step 2: Convert to fraction form
   2,187.83/3,020.22 = 1,402.32/x
3. Step 3: Cross multiply
   2,187.83x = 3,020.22 × 1,402.32
4. Step 4: Simplify right side
   2,187.83x = 4,235,314.91
5. Step 5: Solve for x
   x = 4,235,314.91/2,187.83
6. Step 6: Final answer
   x = 1,935.86