Finding the Fourth Proportional to 1,401.51, 1,925.86 and 1,168.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.51 : 1,925.86 = 1,168.23 : x
2. Step 2: Convert to fraction form
   1,401.51/1,925.86 = 1,168.23/x
3. Step 3: Cross multiply
   1,401.51x = 1,925.86 × 1,168.23
4. Step 4: Simplify right side
   1,401.51x = 2,249,844.51
5. Step 5: Solve for x
   x = 2,249,844.51/1,401.51
6. Step 6: Final answer
   x = 1,605.30