Finding the Fourth Proportional to 3,065.47, 4,598.98 and 874.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,065.47 : 4,598.98 = 874.20 : x
2. Step 2: Convert to fraction form
   3,065.47/4,598.98 = 874.20/x
3. Step 3: Cross multiply
   3,065.47x = 4,598.98 × 874.20
4. Step 4: Simplify right side
   3,065.47x = 4,020,443.38
5. Step 5: Solve for x
   x = 4,020,443.38/3,065.47
6. Step 6: Final answer
   x = 1,311.53