Finding the Fourth Proportional to 13,066.72, 19,600.41 and 3,707.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.72 : 19,600.41 = 3,707.03 : x
2. Step 2: Convert to fraction form
   13,066.72/19,600.41 = 3,707.03/x
3. Step 3: Cross multiply
   13,066.72x = 19,600.41 × 3,707.03
4. Step 4: Simplify right side
   13,066.72x = 72,659,307.88
5. Step 5: Solve for x
   x = 72,659,307.88/13,066.72
6. Step 6: Final answer
   x = 5,560.64