Finding the Fourth Proportional to 3,435.38, 5,153.27 and 1,126.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,435.38 : 5,153.27 = 1,126.88 : x
2. Step 2: Convert to fraction form
   3,435.38/5,153.27 = 1,126.88/x
3. Step 3: Cross multiply
   3,435.38x = 5,153.27 × 1,126.88
4. Step 4: Simplify right side
   3,435.38x = 5,807,085.50
5. Step 5: Solve for x
   x = 5,807,085.50/3,435.38
6. Step 6: Final answer
   x = 1,690.38