Finding the Fourth Proportional to 8,910.50, 13,364.72 and 2,337.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.50 : 13,364.72 = 2,337.21 : x
2. Step 2: Convert to fraction form
   8,910.50/13,364.72 = 2,337.21/x
3. Step 3: Cross multiply
   8,910.50x = 13,364.72 × 2,337.21
4. Step 4: Simplify right side
   8,910.50x = 31,236,145.55
5. Step 5: Solve for x
   x = 31,236,145.55/8,910.50
6. Step 6: Final answer
   x = 3,505.55