Finding the Fourth Proportional to 1,335.89, 2,002.01 and 751.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.89 : 2,002.01 = 751.18 : x
2. Step 2: Convert to fraction form
   1,335.89/2,002.01 = 751.18/x
3. Step 3: Cross multiply
   1,335.89x = 2,002.01 × 751.18
4. Step 4: Simplify right side
   1,335.89x = 1,503,859.86
5. Step 5: Solve for x
   x = 1,503,859.86/1,335.89
6. Step 6: Final answer
   x = 1,125.74