Finding the Fourth Proportional to 3,437, 5,156.38 and 1,128.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,437 : 5,156.38 = 1,128.52 : x
2. Step 2: Convert to fraction form
   3,437/5,156.38 = 1,128.52/x
3. Step 3: Cross multiply
   3,437x = 5,156.38 × 1,128.52
4. Step 4: Simplify right side
   3,437x = 5,819,077.96
5. Step 5: Solve for x
   x = 5,819,077.96/3,437
6. Step 6: Final answer
   x = 1,693.07