Finding the Fourth Proportional to 613,280.72, 919,856.39 and 164,046.93

Step by Step Solution

1. Step 1: Write the proportion equation
   613,280.72 : 919,856.39 = 164,046.93 : x
2. Step 2: Convert to fraction form
   613,280.72/919,856.39 = 164,046.93/x
3. Step 3: Cross multiply
   613,280.72x = 919,856.39 × 164,046.93
4. Step 4: Simplify right side
   613,280.72x = 150,899,612,550.69
5. Step 5: Solve for x
   x = 150,899,612,550.69/613,280.72
6. Step 6: Final answer
   x = 246,053.08