Finding the Fourth Proportional to 4,861.50, 7,288.38 and 1,939.02

Step by Step Solution

1. Step 1: Write the proportion equation
   4,861.50 : 7,288.38 = 1,939.02 : x
2. Step 2: Convert to fraction form
   4,861.50/7,288.38 = 1,939.02/x
3. Step 3: Cross multiply
   4,861.50x = 7,288.38 × 1,939.02
4. Step 4: Simplify right side
   4,861.50x = 14,132,314.59
5. Step 5: Solve for x
   x = 14,132,314.59/4,861.50
6. Step 6: Final answer
   x = 2,906.99