Finding the Fourth Proportional to 258,819.93, 357,300.18 and 200,545.83

Step by Step Solution

1. Step 1: Write the proportion equation
   258,819.93 : 357,300.18 = 200,545.83 : x
2. Step 2: Convert to fraction form
   258,819.93/357,300.18 = 200,545.83/x
3. Step 3: Cross multiply
   258,819.93x = 357,300.18 × 200,545.83
4. Step 4: Simplify right side
   258,819.93x = 71,655,061,157.25
5. Step 5: Solve for x
   x = 71,655,061,157.25/258,819.93
6. Step 6: Final answer
   x = 276,852.95