Finding the Fourth Proportional to 1,399.22, 2,094.46 and 904.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399.22 : 2,094.46 = 904.96 : x
2. Step 2: Convert to fraction form
   1,399.22/2,094.46 = 904.96/x
3. Step 3: Cross multiply
   1,399.22x = 2,094.46 × 904.96
4. Step 4: Simplify right side
   1,399.22x = 1,895,402.52
5. Step 5: Solve for x
   x = 1,895,402.52/1,399.22
6. Step 6: Final answer
   x = 1,354.61