Finding the Fourth Proportional to 300,845.43, 451,264.67 and 73,142.34

Step by Step Solution

1. Step 1: Write the proportion equation
   300,845.43 : 451,264.67 = 73,142.34 : x
2. Step 2: Convert to fraction form
   300,845.43/451,264.67 = 73,142.34/x
3. Step 3: Cross multiply
   300,845.43x = 451,264.67 × 73,142.34
4. Step 4: Simplify right side
   300,845.43x = 33,006,554,677.82
5. Step 5: Solve for x
   x = 33,006,554,677.82/300,845.43
6. Step 6: Final answer
   x = 109,712.67