Finding the Fourth Proportional to 23,286.31, 34,918.74 and 7,488.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,286.31 : 34,918.74 = 7,488.42 : x
2. Step 2: Convert to fraction form
   23,286.31/34,918.74 = 7,488.42/x
3. Step 3: Cross multiply
   23,286.31x = 34,918.74 × 7,488.42
4. Step 4: Simplify right side
   23,286.31x = 261,486,209.71
5. Step 5: Solve for x
   x = 261,486,209.71/23,286.31
6. Step 6: Final answer
   x = 11,229.18