Finding the Fourth Proportional to 22,978.78, 34,467.36 and 7,396

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.78 : 34,467.36 = 7,396 : x
2. Step 2: Convert to fraction form
   22,978.78/34,467.36 = 7,396/x
3. Step 3: Cross multiply
   22,978.78x = 34,467.36 × 7,396
4. Step 4: Simplify right side
   22,978.78x = 254,920,594.56
5. Step 5: Solve for x
   x = 254,920,594.56/22,978.78
6. Step 6: Final answer
   x = 11,093.74