Finding the Fourth Proportional to 448,066.72, 618,331.72 and 246,862.72

Step by Step Solution

1. Step 1: Write the proportion equation
   448,066.72 : 618,331.72 = 246,862.72 : x
2. Step 2: Convert to fraction form
   448,066.72/618,331.72 = 246,862.72/x
3. Step 3: Cross multiply
   448,066.72x = 618,331.72 × 246,862.72
4. Step 4: Simplify right side
   448,066.72x = 152,643,050,261.48
5. Step 5: Solve for x
   x = 152,643,050,261.48/448,066.72
6. Step 6: Final answer
   x = 340,670.36