Finding the Fourth Proportional to 404,355.49, 606,468.81 and 134,461.15

Step by Step Solution

1. Step 1: Write the proportion equation
   404,355.49 : 606,468.81 = 134,461.15 : x
2. Step 2: Convert to fraction form
   404,355.49/606,468.81 = 134,461.15/x
3. Step 3: Cross multiply
   404,355.49x = 606,468.81 × 134,461.15
4. Step 4: Simplify right side
   404,355.49x = 81,546,493,631.73
5. Step 5: Solve for x
   x = 81,546,493,631.73/404,355.49
6. Step 6: Final answer
   x = 201,670.30