Finding the Fourth Proportional to 5,201.46, 7,801.59 and 1,305.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,201.46 : 7,801.59 = 1,305.57 : x
2. Step 2: Convert to fraction form
   5,201.46/7,801.59 = 1,305.57/x
3. Step 3: Cross multiply
   5,201.46x = 7,801.59 × 1,305.57
4. Step 4: Simplify right side
   5,201.46x = 10,185,521.86
5. Step 5: Solve for x
   x = 10,185,521.86/5,201.46
6. Step 6: Final answer
   x = 1,958.20