Finding the Fourth Proportional to 3,488.82, 5,219.19 and 3,007.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,488.82 : 5,219.19 = 3,007.86 : x
2. Step 2: Convert to fraction form
   3,488.82/5,219.19 = 3,007.86/x
3. Step 3: Cross multiply
   3,488.82x = 5,219.19 × 3,007.86
4. Step 4: Simplify right side
   3,488.82x = 15,698,592.83
5. Step 5: Solve for x
   x = 15,698,592.83/3,488.82
6. Step 6: Final answer
   x = 4,499.69