Finding the Fourth Proportional to 1,395.16, 1,923.96 and 1,185.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.16 : 1,923.96 = 1,185.10 : x
2. Step 2: Convert to fraction form
   1,395.16/1,923.96 = 1,185.10/x
3. Step 3: Cross multiply
   1,395.16x = 1,923.96 × 1,185.10
4. Step 4: Simplify right side
   1,395.16x = 2,280,085.00
5. Step 5: Solve for x
   x = 2,280,085.00/1,395.16
6. Step 6: Final answer
   x = 1,634.28