Finding the Fourth Proportional to 2,282.16, 3,425.38 and 1,187.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.16 : 3,425.38 = 1,187.30 : x
2. Step 2: Convert to fraction form
   2,282.16/3,425.38 = 1,187.30/x
3. Step 3: Cross multiply
   2,282.16x = 3,425.38 × 1,187.30
4. Step 4: Simplify right side
   2,282.16x = 4,066,953.67
5. Step 5: Solve for x
   x = 4,066,953.67/2,282.16
6. Step 6: Final answer
   x = 1,782.06