Finding the Fourth Proportional to 156,227, 234,380.46 and 45,419

Step by Step Solution

1. Step 1: Write the proportion equation
   156,227 : 234,380.46 = 45,419 : x
2. Step 2: Convert to fraction form
   156,227/234,380.46 = 45,419/x
3. Step 3: Cross multiply
   156,227x = 234,380.46 × 45,419
4. Step 4: Simplify right side
   156,227x = 10,645,326,112.74
5. Step 5: Solve for x
   x = 10,645,326,112.74/156,227
6. Step 6: Final answer
   x = 68,140.12