Finding the Fourth Proportional to 3,602.56, 5,404.56 and 1,138

Step by Step Solution

1. Step 1: Write the proportion equation
   3,602.56 : 5,404.56 = 1,138 : x
2. Step 2: Convert to fraction form
   3,602.56/5,404.56 = 1,138/x
3. Step 3: Cross multiply
   3,602.56x = 5,404.56 × 1,138
4. Step 4: Simplify right side
   3,602.56x = 6,150,389.28
5. Step 5: Solve for x
   x = 6,150,389.28/3,602.56
6. Step 6: Final answer
   x = 1,707.23