Finding the Fourth Proportional to 6,630.86, 9,150.64 and 3,605.99

Step by Step Solution

1. Step 1: Write the proportion equation
   6,630.86 : 9,150.64 = 3,605.99 : x
2. Step 2: Convert to fraction form
   6,630.86/9,150.64 = 3,605.99/x
3. Step 3: Cross multiply
   6,630.86x = 9,150.64 × 3,605.99
4. Step 4: Simplify right side
   6,630.86x = 32,997,061.57
5. Step 5: Solve for x
   x = 32,997,061.57/6,630.86
6. Step 6: Final answer
   x = 4,976.28