Finding the Fourth Proportional to 13,468.48, 18,585.77 and 7,499.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,468.48 : 18,585.77 = 7,499.07 : x
2. Step 2: Convert to fraction form
   13,468.48/18,585.77 = 7,499.07/x
3. Step 3: Cross multiply
   13,468.48x = 18,585.77 × 7,499.07
4. Step 4: Simplify right side
   13,468.48x = 139,375,952.74
5. Step 5: Solve for x
   x = 139,375,952.74/13,468.48
6. Step 6: Final answer
   x = 10,348.31