Finding the Fourth Proportional to 3,345.26, 5,018.77 and 1,154.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.26 : 5,018.77 = 1,154.15 : x
2. Step 2: Convert to fraction form
   3,345.26/5,018.77 = 1,154.15/x
3. Step 3: Cross multiply
   3,345.26x = 5,018.77 × 1,154.15
4. Step 4: Simplify right side
   3,345.26x = 5,792,388.30
5. Step 5: Solve for x
   x = 5,792,388.30/3,345.26
6. Step 6: Final answer
   x = 1,731.52