Finding the Fourth Proportional to 281,404.02, 388,341.82 and 154,091.46

Step by Step Solution

1. Step 1: Write the proportion equation
   281,404.02 : 388,341.82 = 154,091.46 : x
2. Step 2: Convert to fraction form
   281,404.02/388,341.82 = 154,091.46/x
3. Step 3: Cross multiply
   281,404.02x = 388,341.82 × 154,091.46
4. Step 4: Simplify right side
   281,404.02x = 59,840,155,695.92
5. Step 5: Solve for x
   x = 59,840,155,695.92/281,404.02
6. Step 6: Final answer
   x = 212,648.55