Finding the Fourth Proportional to 13,007.72, 19,513.50 and 3,772.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,007.72 : 19,513.50 = 3,772.52 : x
2. Step 2: Convert to fraction form
   13,007.72/19,513.50 = 3,772.52/x
3. Step 3: Cross multiply
   13,007.72x = 19,513.50 × 3,772.52
4. Step 4: Simplify right side
   13,007.72x = 73,615,069.02
5. Step 5: Solve for x
   x = 73,615,069.02/13,007.72
6. Step 6: Final answer
   x = 5,659.34