Finding the Fourth Proportional to 281,582.48, 388,581.83 and 152,518.04

Step by Step Solution

1. Step 1: Write the proportion equation
   281,582.48 : 388,581.83 = 152,518.04 : x
2. Step 2: Convert to fraction form
   281,582.48/388,581.83 = 152,518.04/x
3. Step 3: Cross multiply
   281,582.48x = 388,581.83 × 152,518.04
4. Step 4: Simplify right side
   281,582.48x = 59,265,738,843.80
5. Step 5: Solve for x
   x = 59,265,738,843.80/281,582.48
6. Step 6: Final answer
   x = 210,473.82