Finding the Fourth Proportional to 259,826.78, 358,479.32 and 152,401.34

Step by Step Solution

1. Step 1: Write the proportion equation
   259,826.78 : 358,479.32 = 152,401.34 : x
2. Step 2: Convert to fraction form
   259,826.78/358,479.32 = 152,401.34/x
3. Step 3: Cross multiply
   259,826.78x = 358,479.32 × 152,401.34
4. Step 4: Simplify right side
   259,826.78x = 54,632,728,730.29
5. Step 5: Solve for x
   x = 54,632,728,730.29/259,826.78
6. Step 6: Final answer
   x = 210,265.97