Finding the Fourth Proportional to 13,499.68, 18,626.88 and 8,194.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.68 : 18,626.88 = 8,194.72 : x
2. Step 2: Convert to fraction form
   13,499.68/18,626.88 = 8,194.72/x
3. Step 3: Cross multiply
   13,499.68x = 18,626.88 × 8,194.72
4. Step 4: Simplify right side
   13,499.68x = 152,642,066.07
5. Step 5: Solve for x
   x = 152,642,066.07/13,499.68
6. Step 6: Final answer
   x = 11,307.09