Finding the Fourth Proportional to 1,604.58, 2,213.40 and 941.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604.58 : 2,213.40 = 941.31 : x
2. Step 2: Convert to fraction form
   1,604.58/2,213.40 = 941.31/x
3. Step 3: Cross multiply
   1,604.58x = 2,213.40 × 941.31
4. Step 4: Simplify right side
   1,604.58x = 2,083,495.55
5. Step 5: Solve for x
   x = 2,083,495.55/1,604.58
6. Step 6: Final answer
   x = 1,298.47