Finding the Fourth Proportional to 1,604.05, 2,401.72 and 832.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604.05 : 2,401.72 = 832.93 : x
2. Step 2: Convert to fraction form
   1,604.05/2,401.72 = 832.93/x
3. Step 3: Cross multiply
   1,604.05x = 2,401.72 × 832.93
4. Step 4: Simplify right side
   1,604.05x = 2,000,456.55
5. Step 5: Solve for x
   x = 2,000,456.55/1,604.05
6. Step 6: Final answer
   x = 1,247.13