Finding the Fourth Proportional to 13,104.35, 18,085.52 and 7,799.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,104.35 : 18,085.52 = 7,799.12 : x
2. Step 2: Convert to fraction form
   13,104.35/18,085.52 = 7,799.12/x
3. Step 3: Cross multiply
   13,104.35x = 18,085.52 × 7,799.12
4. Step 4: Simplify right side
   13,104.35x = 141,051,140.74
5. Step 5: Solve for x
   x = 141,051,140.74/13,104.35
6. Step 6: Final answer
   x = 10,763.69