Finding the Fourth Proportional to 8,997.49, 13,488.07 and 3,150.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,997.49 : 13,488.07 = 3,150.91 : x
2. Step 2: Convert to fraction form
   8,997.49/13,488.07 = 3,150.91/x
3. Step 3: Cross multiply
   8,997.49x = 13,488.07 × 3,150.91
4. Step 4: Simplify right side
   8,997.49x = 42,499,694.64
5. Step 5: Solve for x
   x = 42,499,694.64/8,997.49
6. Step 6: Final answer
   x = 4,723.51