Finding the Fourth Proportional to 9,499.79, 13,109.30 and 5,466.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.79 : 13,109.30 = 5,466.45 : x
2. Step 2: Convert to fraction form
   9,499.79/13,109.30 = 5,466.45/x
3. Step 3: Cross multiply
   9,499.79x = 13,109.30 × 5,466.45
4. Step 4: Simplify right side
   9,499.79x = 71,661,305.65
5. Step 5: Solve for x
   x = 71,661,305.65/9,499.79
6. Step 6: Final answer
   x = 7,543.47