Finding the Fourth Proportional to 4,780.29, 6,599.03 and 3,189.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,780.29 : 6,599.03 = 3,189.59 : x
2. Step 2: Convert to fraction form
   4,780.29/6,599.03 = 3,189.59/x
3. Step 3: Cross multiply
   4,780.29x = 6,599.03 × 3,189.59
4. Step 4: Simplify right side
   4,780.29x = 21,048,200.10
5. Step 5: Solve for x
   x = 21,048,200.10/4,780.29
6. Step 6: Final answer
   x = 4,403.12