Finding the Fourth Proportional to 13,072.74, 19,616.81 and 5,176.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,072.74 : 19,616.81 = 5,176.01 : x
2. Step 2: Convert to fraction form
   13,072.74/19,616.81 = 5,176.01/x
3. Step 3: Cross multiply
   13,072.74x = 19,616.81 × 5,176.01
4. Step 4: Simplify right side
   13,072.74x = 101,536,680.76
5. Step 5: Solve for x
   x = 101,536,680.76/13,072.74
6. Step 6: Final answer
   x = 7,767.05