Finding the Fourth Proportional to 9,109.39, 13,666.02 and 5,162.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,109.39 : 13,666.02 = 5,162.54 : x
2. Step 2: Convert to fraction form
   9,109.39/13,666.02 = 5,162.54/x
3. Step 3: Cross multiply
   9,109.39x = 13,666.02 × 5,162.54
4. Step 4: Simplify right side
   9,109.39x = 70,551,374.89
5. Step 5: Solve for x
   x = 70,551,374.89/9,109.39
6. Step 6: Final answer
   x = 7,744.91