Finding the Fourth Proportional to 13,065.72, 19,598.91 and 3,706.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,065.72 : 19,598.91 = 3,706.03 : x
2. Step 2: Convert to fraction form
   13,065.72/19,598.91 = 3,706.03/x
3. Step 3: Cross multiply
   13,065.72x = 19,598.91 × 3,706.03
4. Step 4: Simplify right side
   13,065.72x = 72,634,148.43
5. Step 5: Solve for x
   x = 72,634,148.43/13,065.72
6. Step 6: Final answer
   x = 5,559.14