Finding the Fourth Proportional to 1,404.06, 1,923.57 and 1,351.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.06 : 1,923.57 = 1,351.51 : x
2. Step 2: Convert to fraction form
   1,404.06/1,923.57 = 1,351.51/x
3. Step 3: Cross multiply
   1,404.06x = 1,923.57 × 1,351.51
4. Step 4: Simplify right side
   1,404.06x = 2,599,724.09
5. Step 5: Solve for x
   x = 2,599,724.09/1,404.06
6. Step 6: Final answer
   x = 1,851.58