Finding the Fourth Proportional to 2,284.61, 3,152.81 and 1,400.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.61 : 3,152.81 = 1,400.90 : x
2. Step 2: Convert to fraction form
   2,284.61/3,152.81 = 1,400.90/x
3. Step 3: Cross multiply
   2,284.61x = 3,152.81 × 1,400.90
4. Step 4: Simplify right side
   2,284.61x = 4,416,759.27
5. Step 5: Solve for x
   x = 4,416,759.27/2,284.61
6. Step 6: Final answer
   x = 1,933.27