Finding the Fourth Proportional to 1,395.74, 1,924.87 and 1,042.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.74 : 1,924.87 = 1,042.52 : x
2. Step 2: Convert to fraction form
   1,395.74/1,924.87 = 1,042.52/x
3. Step 3: Cross multiply
   1,395.74x = 1,924.87 × 1,042.52
4. Step 4: Simplify right side
   1,395.74x = 2,006,716.02
5. Step 5: Solve for x
   x = 2,006,716.02/1,395.74
6. Step 6: Final answer
   x = 1,437.74