Finding the Fourth Proportional to 8,991.30, 13,488.32 and 2,418.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,991.30 : 13,488.32 = 2,418.00 : x
2. Step 2: Convert to fraction form
   8,991.30/13,488.32 = 2,418.00/x
3. Step 3: Cross multiply
   8,991.30x = 13,488.32 × 2,418.00
4. Step 4: Simplify right side
   8,991.30x = 32,614,789.10
5. Step 5: Solve for x
   x = 32,614,789.10/8,991.30
6. Step 6: Final answer
   x = 3,627.37