Finding the Fourth Proportional to 259,900.18, 358,665.24 and 152,472.04

Step by Step Solution

1. Step 1: Write the proportion equation
   259,900.18 : 358,665.24 = 152,472.04 : x
2. Step 2: Convert to fraction form
   259,900.18/358,665.24 = 152,472.04/x
3. Step 3: Cross multiply
   259,900.18x = 358,665.24 × 152,472.04
4. Step 4: Simplify right side
   259,900.18x = 54,686,420,819.89
5. Step 5: Solve for x
   x = 54,686,420,819.89/259,900.18
6. Step 6: Final answer
   x = 210,413.17