Finding the Fourth Proportional to 8,994.85, 13,491.42 and 3,151.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,994.85 : 13,491.42 = 3,151.15 : x
2. Step 2: Convert to fraction form
   8,994.85/13,491.42 = 3,151.15/x
3. Step 3: Cross multiply
   8,994.85x = 13,491.42 × 3,151.15
4. Step 4: Simplify right side
   8,994.85x = 42,513,488.13
5. Step 5: Solve for x
   x = 42,513,488.13/8,994.85
6. Step 6: Final answer
   x = 4,726.43