Finding the Fourth Proportional to 9,074.94, 13,602.69 and 5,171.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,074.94 : 13,602.69 = 5,171.10 : x
2. Step 2: Convert to fraction form
   9,074.94/13,602.69 = 5,171.10/x
3. Step 3: Cross multiply
   9,074.94x = 13,602.69 × 5,171.10
4. Step 4: Simplify right side
   9,074.94x = 70,340,870.26
5. Step 5: Solve for x
   x = 70,340,870.26/9,074.94
6. Step 6: Final answer
   x = 7,751.11