Finding the Fourth Proportional to 1,314.93, 1,814.49 and 725.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.93 : 1,814.49 = 725.32 : x
2. Step 2: Convert to fraction form
   1,314.93/1,814.49 = 725.32/x
3. Step 3: Cross multiply
   1,314.93x = 1,814.49 × 725.32
4. Step 4: Simplify right side
   1,314.93x = 1,316,085.89
5. Step 5: Solve for x
   x = 1,316,085.89/1,314.93
6. Step 6: Final answer
   x = 1,000.88