Finding the Fourth Proportional to 13,066.38, 19,599.54 and 5,669.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.38 : 19,599.54 = 5,669.88 : x
2. Step 2: Convert to fraction form
   13,066.38/19,599.54 = 5,669.88/x
3. Step 3: Cross multiply
   13,066.38x = 19,599.54 × 5,669.88
4. Step 4: Simplify right side
   13,066.38x = 111,127,039.86
5. Step 5: Solve for x
   x = 111,127,039.86/13,066.38
6. Step 6: Final answer
   x = 8,504.81