Finding the Fourth Proportional to 359,433, 496,017.54 and 200,457

Step by Step Solution

1. Step 1: Write the proportion equation
   359,433 : 496,017.54 = 200,457 : x
2. Step 2: Convert to fraction form
   359,433/496,017.54 = 200,457/x
3. Step 3: Cross multiply
   359,433x = 496,017.54 × 200,457
4. Step 4: Simplify right side
   359,433x = 99,430,188,015.78
5. Step 5: Solve for x
   x = 99,430,188,015.78/359,433
6. Step 6: Final answer
   x = 276,630.66