Finding the Fourth Proportional to 23,012.31, 34,496.55 and 7,419

Step by Step Solution

1. Step 1: Write the proportion equation
   23,012.31 : 34,496.55 = 7,419 : x
2. Step 2: Convert to fraction form
   23,012.31/34,496.55 = 7,419/x
3. Step 3: Cross multiply
   23,012.31x = 34,496.55 × 7,419
4. Step 4: Simplify right side
   23,012.31x = 255,929,904.45
5. Step 5: Solve for x
   x = 255,929,904.45/23,012.31
6. Step 6: Final answer
   x = 11,121.43