Finding the Fourth Proportional to 23,613.86, 35,442.69 and 11,935.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,613.86 : 35,442.69 = 11,935.28 : x
2. Step 2: Convert to fraction form
   23,613.86/35,442.69 = 11,935.28/x
3. Step 3: Cross multiply
   23,613.86x = 35,442.69 × 11,935.28
4. Step 4: Simplify right side
   23,613.86x = 423,018,429.10
5. Step 5: Solve for x
   x = 423,018,429.10/23,613.86
6. Step 6: Final answer
   x = 17,913.99