Finding the Fourth Proportional to 2,917.02, 4,375.34 and 1,185.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,917.02 : 4,375.34 = 1,185.60 : x
2. Step 2: Convert to fraction form
   2,917.02/4,375.34 = 1,185.60/x
3. Step 3: Cross multiply
   2,917.02x = 4,375.34 × 1,185.60
4. Step 4: Simplify right side
   2,917.02x = 5,187,403.10
5. Step 5: Solve for x
   x = 5,187,403.10/2,917.02
6. Step 6: Final answer
   x = 1,778.32