Finding the Fourth Proportional to 1,440.07, 1,987.61 and 941.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440.07 : 1,987.61 = 941.89 : x
2. Step 2: Convert to fraction form
   1,440.07/1,987.61 = 941.89/x
3. Step 3: Cross multiply
   1,440.07x = 1,987.61 × 941.89
4. Step 4: Simplify right side
   1,440.07x = 1,872,109.98
5. Step 5: Solve for x
   x = 1,872,109.98/1,440.07
6. Step 6: Final answer
   x = 1,300.01