Finding the Fourth Proportional to 6,030.57, 8,320.59 and 3,906.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,030.57 : 8,320.59 = 3,906.75 : x
2. Step 2: Convert to fraction form
   6,030.57/8,320.59 = 3,906.75/x
3. Step 3: Cross multiply
   6,030.57x = 8,320.59 × 3,906.75
4. Step 4: Simplify right side
   6,030.57x = 32,506,464.98
5. Step 5: Solve for x
   x = 32,506,464.98/6,030.57
6. Step 6: Final answer
   x = 5,390.28