Finding the Fourth Proportional to 333,978.75, 460,892.30 and 199,842.75

Step by Step Solution

1. Step 1: Write the proportion equation
   333,978.75 : 460,892.30 = 199,842.75 : x
2. Step 2: Convert to fraction form
   333,978.75/460,892.30 = 199,842.75/x
3. Step 3: Cross multiply
   333,978.75x = 460,892.30 × 199,842.75
4. Step 4: Simplify right side
   333,978.75x = 92,105,983,686.61
5. Step 5: Solve for x
   x = 92,105,983,686.61/333,978.75
6. Step 6: Final answer
   x = 275,783.96