Finding the Fourth Proportional to 244,540.30, 342,978.50 and 244,540.30

Step by Step Solution

1. Step 1: Write the proportion equation
   244,540.30 : 342,978.50 = 244,540.30 : x
2. Step 2: Convert to fraction form
   244,540.30/342,978.50 = 244,540.30/x
3. Step 3: Cross multiply
   244,540.30x = 342,978.50 × 244,540.30
4. Step 4: Simplify right side
   244,540.30x = 83,872,065,283.55
5. Step 5: Solve for x
   x = 83,872,065,283.55/244,540.30
6. Step 6: Final answer
   x = 342,978.50