Finding the Fourth Proportional to 1,404.42, 1,937.97 and 880.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.42 : 1,937.97 = 880.35 : x
2. Step 2: Convert to fraction form
   1,404.42/1,937.97 = 880.35/x
3. Step 3: Cross multiply
   1,404.42x = 1,937.97 × 880.35
4. Step 4: Simplify right side
   1,404.42x = 1,706,091.89
5. Step 5: Solve for x
   x = 1,706,091.89/1,404.42
6. Step 6: Final answer
   x = 1,214.80