Finding the Fourth Proportional to 11,105.60, 16,641.96 and 4,859.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.60 : 16,641.96 = 4,859.84 : x
2. Step 2: Convert to fraction form
   11,105.60/16,641.96 = 4,859.84/x
3. Step 3: Cross multiply
   11,105.60x = 16,641.96 × 4,859.84
4. Step 4: Simplify right side
   11,105.60x = 80,877,262.89
5. Step 5: Solve for x
   x = 80,877,262.89/11,105.60
6. Step 6: Final answer
   x = 7,282.57