Finding the Fourth Proportional to 3,180.02, 4,763.82 and 2,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,180.02 : 4,763.82 = 2,190.50 : x
2. Step 2: Convert to fraction form
   3,180.02/4,763.82 = 2,190.50/x
3. Step 3: Cross multiply
   3,180.02x = 4,763.82 × 2,190.50
4. Step 4: Simplify right side
   3,180.02x = 10,435,147.71
5. Step 5: Solve for x
   x = 10,435,147.71/3,180.02
6. Step 6: Final answer
   x = 3,281.47