Finding the Fourth Proportional to 7,172.71, 10,762.04 and 3,477.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,172.71 : 10,762.04 = 3,477.69 : x
2. Step 2: Convert to fraction form
   7,172.71/10,762.04 = 3,477.69/x
3. Step 3: Cross multiply
   7,172.71x = 10,762.04 × 3,477.69
4. Step 4: Simplify right side
   7,172.71x = 37,427,047.58
5. Step 5: Solve for x
   x = 37,427,047.58/7,172.71
6. Step 6: Final answer
   x = 5,217.98