Finding the Fourth Proportional to 4,938.43, 7,406.61 and 1,817.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,938.43 : 7,406.61 = 1,817.63 : x
2. Step 2: Convert to fraction form
   4,938.43/7,406.61 = 1,817.63/x
3. Step 3: Cross multiply
   4,938.43x = 7,406.61 × 1,817.63
4. Step 4: Simplify right side
   4,938.43x = 13,462,439.50
5. Step 5: Solve for x
   x = 13,462,439.50/4,938.43
6. Step 6: Final answer
   x = 2,726.06