Finding the Fourth Proportional to 2,328.06, 3,490.47 and 1,173.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,328.06 : 3,490.47 = 1,173.18 : x
2. Step 2: Convert to fraction form
   2,328.06/3,490.47 = 1,173.18/x
3. Step 3: Cross multiply
   2,328.06x = 3,490.47 × 1,173.18
4. Step 4: Simplify right side
   2,328.06x = 4,094,949.59
5. Step 5: Solve for x
   x = 4,094,949.59/2,328.06
6. Step 6: Final answer
   x = 1,758.95