Finding the Fourth Proportional to 300,895.02, 451,092.38 and 140,892.28

Step by Step Solution

1. Step 1: Write the proportion equation
   300,895.02 : 451,092.38 = 140,892.28 : x
2. Step 2: Convert to fraction form
   300,895.02/451,092.38 = 140,892.28/x
3. Step 3: Cross multiply
   300,895.02x = 451,092.38 × 140,892.28
4. Step 4: Simplify right side
   300,895.02x = 63,555,433,908.83
5. Step 5: Solve for x
   x = 63,555,433,908.83/300,895.02
6. Step 6: Final answer
   x = 211,221.29