Finding the Fourth Proportional to 13,469.18, 18,585.23 and 7,500.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,469.18 : 18,585.23 = 7,500.69 : x
2. Step 2: Convert to fraction form
   13,469.18/18,585.23 = 7,500.69/x
3. Step 3: Cross multiply
   13,469.18x = 18,585.23 × 7,500.69
4. Step 4: Simplify right side
   13,469.18x = 139,402,011.31
5. Step 5: Solve for x
   x = 139,402,011.31/13,469.18
6. Step 6: Final answer
   x = 10,349.71