Finding the Fourth Proportional to 1,401.62, 1,934.87 and 904.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.62 : 1,934.87 = 904.16 : x
2. Step 2: Convert to fraction form
   1,401.62/1,934.87 = 904.16/x
3. Step 3: Cross multiply
   1,401.62x = 1,934.87 × 904.16
4. Step 4: Simplify right side
   1,401.62x = 1,749,432.38
5. Step 5: Solve for x
   x = 1,749,432.38/1,401.62
6. Step 6: Final answer
   x = 1,248.15