Finding the Fourth Proportional to 2,426.32, 3,640.70 and 1,127.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.32 : 3,640.70 = 1,127.62 : x
2. Step 2: Convert to fraction form
   2,426.32/3,640.70 = 1,127.62/x
3. Step 3: Cross multiply
   2,426.32x = 3,640.70 × 1,127.62
4. Step 4: Simplify right side
   2,426.32x = 4,105,326.13
5. Step 5: Solve for x
   x = 4,105,326.13/2,426.32
6. Step 6: Final answer
   x = 1,692.00