Finding the Fourth Proportional to 9,141.36, 12,609.72 and 5,363.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.36 : 12,609.72 = 5,363.58 : x
2. Step 2: Convert to fraction form
   9,141.36/12,609.72 = 5,363.58/x
3. Step 3: Cross multiply
   9,141.36x = 12,609.72 × 5,363.58
4. Step 4: Simplify right side
   9,141.36x = 67,633,242.00
5. Step 5: Solve for x
   x = 67,633,242.00/9,141.36
6. Step 6: Final answer
   x = 7,398.60