Finding the Fourth Proportional to 1,404.36, 1,937.94 and 873.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.36 : 1,937.94 = 873.12 : x
2. Step 2: Convert to fraction form
   1,404.36/1,937.94 = 873.12/x
3. Step 3: Cross multiply
   1,404.36x = 1,937.94 × 873.12
4. Step 4: Simplify right side
   1,404.36x = 1,692,054.17
5. Step 5: Solve for x
   x = 1,692,054.17/1,404.36
6. Step 6: Final answer
   x = 1,204.86