Finding the Fourth Proportional to 9,103.61, 13,656.86 and 3,260.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.61 : 13,656.86 = 3,260.09 : x
2. Step 2: Convert to fraction form
   9,103.61/13,656.86 = 3,260.09/x
3. Step 3: Cross multiply
   9,103.61x = 13,656.86 × 3,260.09
4. Step 4: Simplify right side
   9,103.61x = 44,522,592.72
5. Step 5: Solve for x
   x = 44,522,592.72/9,103.61
6. Step 6: Final answer
   x = 4,890.65