Finding the Fourth Proportional to 448,215.01, 618,536.81 and 244,265.98

Step by Step Solution

1. Step 1: Write the proportion equation
   448,215.01 : 618,536.81 = 244,265.98 : x
2. Step 2: Convert to fraction form
   448,215.01/618,536.81 = 244,265.98/x
3. Step 3: Cross multiply
   448,215.01x = 618,536.81 × 244,265.98
4. Step 4: Simplify right side
   448,215.01x = 151,087,500,060.72
5. Step 5: Solve for x
   x = 151,087,500,060.72/448,215.01
6. Step 6: Final answer
   x = 337,087.10