Finding the Fourth Proportional to 259,788.42, 358,469.58 and 157,760.82

Step by Step Solution

1. Step 1: Write the proportion equation
   259,788.42 : 358,469.58 = 157,760.82 : x
2. Step 2: Convert to fraction form
   259,788.42/358,469.58 = 157,760.82/x
3. Step 3: Cross multiply
   259,788.42x = 358,469.58 × 157,760.82
4. Step 4: Simplify right side
   259,788.42x = 56,552,454,885.86
5. Step 5: Solve for x
   x = 56,552,454,885.86/259,788.42
6. Step 6: Final answer
   x = 217,686.59