Finding the Fourth Proportional to 627,091.97, 940,573.89 and 171,723.72

Step by Step Solution

1. Step 1: Write the proportion equation
   627,091.97 : 940,573.89 = 171,723.72 : x
2. Step 2: Convert to fraction form
   627,091.97/940,573.89 = 171,723.72/x
3. Step 3: Cross multiply
   627,091.97x = 940,573.89 × 171,723.72
4. Step 4: Simplify right side
   627,091.97x = 161,518,847,325.67
5. Step 5: Solve for x
   x = 161,518,847,325.67/627,091.97
6. Step 6: Final answer
   x = 257,568.04