Finding the Fourth Proportional to 9,020.94, 13,518.42 and 5,117.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.94 : 13,518.42 = 5,117.10 : x
2. Step 2: Convert to fraction form
   9,020.94/13,518.42 = 5,117.10/x
3. Step 3: Cross multiply
   9,020.94x = 13,518.42 × 5,117.10
4. Step 4: Simplify right side
   9,020.94x = 69,175,106.98
5. Step 5: Solve for x
   x = 69,175,106.98/9,020.94
6. Step 6: Final answer
   x = 7,668.28