Finding the Fourth Proportional to 359,724, 496,419.12 and 200,748

Step by Step Solution

1. Step 1: Write the proportion equation
   359,724 : 496,419.12 = 200,748 : x
2. Step 2: Convert to fraction form
   359,724/496,419.12 = 200,748/x
3. Step 3: Cross multiply
   359,724x = 496,419.12 × 200,748
4. Step 4: Simplify right side
   359,724x = 99,655,145,501.76
5. Step 5: Solve for x
   x = 99,655,145,501.76/359,724
6. Step 6: Final answer
   x = 277,032.24