Finding the Fourth Proportional to 9,470.91, 13,070.16 and 5,222.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,470.91 : 13,070.16 = 5,222.18 : x
2. Step 2: Convert to fraction form
   9,470.91/13,070.16 = 5,222.18/x
3. Step 3: Cross multiply
   9,470.91x = 13,070.16 × 5,222.18
4. Step 4: Simplify right side
   9,470.91x = 68,254,662.80
5. Step 5: Solve for x
   x = 68,254,662.80/9,470.91
6. Step 6: Final answer
   x = 7,206.77