Finding the Fourth Proportional to 13,105.60, 19,658.14 and 3,244.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105.60 : 19,658.14 = 3,244.89 : x
2. Step 2: Convert to fraction form
   13,105.60/19,658.14 = 3,244.89/x
3. Step 3: Cross multiply
   13,105.60x = 19,658.14 × 3,244.89
4. Step 4: Simplify right side
   13,105.60x = 63,788,419.90
5. Step 5: Solve for x
   x = 63,788,419.90/13,105.60
6. Step 6: Final answer
   x = 4,867.27