Finding the Fourth Proportional to 1,334.38, 1,987.46 and 1,264.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.38 : 1,987.46 = 1,264.98 : x
2. Step 2: Convert to fraction form
   1,334.38/1,987.46 = 1,264.98/x
3. Step 3: Cross multiply
   1,334.38x = 1,987.46 × 1,264.98
4. Step 4: Simplify right side
   1,334.38x = 2,514,097.15
5. Step 5: Solve for x
   x = 2,514,097.15/1,334.38
6. Step 6: Final answer
   x = 1,884.09