Finding the Fourth Proportional to 9,133.69, 12,604.47 and 5,154.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133.69 : 12,604.47 = 5,154.79 : x
2. Step 2: Convert to fraction form
   9,133.69/12,604.47 = 5,154.79/x
3. Step 3: Cross multiply
   9,133.69x = 12,604.47 × 5,154.79
4. Step 4: Simplify right side
   9,133.69x = 64,973,395.91
5. Step 5: Solve for x
   x = 64,973,395.91/9,133.69
6. Step 6: Final answer
   x = 7,113.60