Finding the Fourth Proportional to 13,105.60, 18,084.54 and 7,799.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105.60 : 18,084.54 = 7,799.56 : x
2. Step 2: Convert to fraction form
   13,105.60/18,084.54 = 7,799.56/x
3. Step 3: Cross multiply
   13,105.60x = 18,084.54 × 7,799.56
4. Step 4: Simplify right side
   13,105.60x = 141,051,454.80
5. Step 5: Solve for x
   x = 141,051,454.80/13,105.60
6. Step 6: Final answer
   x = 10,762.69