Finding the Fourth Proportional to 447,404.16, 671,211.31 and 147,884.73

Step by Step Solution

1. Step 1: Write the proportion equation
   447,404.16 : 671,211.31 = 147,884.73 : x
2. Step 2: Convert to fraction form
   447,404.16/671,211.31 = 147,884.73/x
3. Step 3: Cross multiply
   447,404.16x = 671,211.31 × 147,884.73
4. Step 4: Simplify right side
   447,404.16x = 99,261,902,630.61
5. Step 5: Solve for x
   x = 99,261,902,630.61/447,404.16
6. Step 6: Final answer
   x = 221,861.82