Finding the Fourth Proportional to 3,510.04, 5,263.98 and 3,280

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.04 : 5,263.98 = 3,280 : x
2. Step 2: Convert to fraction form
   3,510.04/5,263.98 = 3,280/x
3. Step 3: Cross multiply
   3,510.04x = 5,263.98 × 3,280
4. Step 4: Simplify right side
   3,510.04x = 17,265,854.40
5. Step 5: Solve for x
   x = 17,265,854.40/3,510.04
6. Step 6: Final answer
   x = 4,918.99