Finding the Fourth Proportional to 613,290.62, 919,871.18 and 164,056.82

Step by Step Solution

1. Step 1: Write the proportion equation
   613,290.62 : 919,871.18 = 164,056.82 : x
2. Step 2: Convert to fraction form
   613,290.62/919,871.18 = 164,056.82/x
3. Step 3: Cross multiply
   613,290.62x = 919,871.18 × 164,056.82
4. Step 4: Simplify right side
   613,290.62x = 150,911,140,600.45
5. Step 5: Solve for x
   x = 150,911,140,600.45/613,290.62
6. Step 6: Final answer
   x = 246,067.91