Finding the Fourth Proportional to 3,347.56, 5,019.58 and 1,155.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,347.56 : 5,019.58 = 1,155.77 : x
2. Step 2: Convert to fraction form
   3,347.56/5,019.58 = 1,155.77/x
3. Step 3: Cross multiply
   3,347.56x = 5,019.58 × 1,155.77
4. Step 4: Simplify right side
   3,347.56x = 5,801,449.10
5. Step 5: Solve for x
   x = 5,801,449.10/3,347.56
6. Step 6: Final answer
   x = 1,733.04