Finding the Fourth Proportional to 258,785.33, 357,134.22 and 144,068.67

Step by Step Solution

1. Step 1: Write the proportion equation
   258,785.33 : 357,134.22 = 144,068.67 : x
2. Step 2: Convert to fraction form
   258,785.33/357,134.22 = 144,068.67/x
3. Step 3: Cross multiply
   258,785.33x = 357,134.22 × 144,068.67
4. Step 4: Simplify right side
   258,785.33x = 51,451,852,086.89
5. Step 5: Solve for x
   x = 51,451,852,086.89/258,785.33
6. Step 6: Final answer
   x = 198,820.59