Finding the Fourth Proportional to 13,077.71, 19,616.73 and 3,717.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,077.71 : 19,616.73 = 3,717.72 : x
2. Step 2: Convert to fraction form
   13,077.71/19,616.73 = 3,717.72/x
3. Step 3: Cross multiply
   13,077.71x = 19,616.73 × 3,717.72
4. Step 4: Simplify right side
   13,077.71x = 72,929,509.46
5. Step 5: Solve for x
   x = 72,929,509.46/13,077.71
6. Step 6: Final answer
   x = 5,576.63