Finding the Fourth Proportional to 22,978.96, 34,465.20 and 7,394.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.96 : 34,465.20 = 7,394.56 : x
2. Step 2: Convert to fraction form
   22,978.96/34,465.20 = 7,394.56/x
3. Step 3: Cross multiply
   22,978.96x = 34,465.20 × 7,394.56
4. Step 4: Simplify right side
   22,978.96x = 254,854,989.31
5. Step 5: Solve for x
   x = 254,854,989.31/22,978.96
6. Step 6: Final answer
   x = 11,090.80