Finding the Fourth Proportional to 244,139.10, 342,261.30 and 244,139.10

Step by Step Solution

1. Step 1: Write the proportion equation
   244,139.10 : 342,261.30 = 244,139.10 : x
2. Step 2: Convert to fraction form
   244,139.10/342,261.30 = 244,139.10/x
3. Step 3: Cross multiply
   244,139.10x = 342,261.30 × 244,139.10
4. Step 4: Simplify right side
   244,139.10x = 83,559,365,746.83
5. Step 5: Solve for x
   x = 83,559,365,746.83/244,139.10
6. Step 6: Final answer
   x = 342,261.30