Finding the Fourth Proportional to 281,269.72, 388,153.24 and 152,208.18

Step by Step Solution

1. Step 1: Write the proportion equation
   281,269.72 : 388,153.24 = 152,208.18 : x
2. Step 2: Convert to fraction form
   281,269.72/388,153.24 = 152,208.18/x
3. Step 3: Cross multiply
   281,269.72x = 388,153.24 × 152,208.18
4. Step 4: Simplify right side
   281,269.72x = 59,080,098,221.50
5. Step 5: Solve for x
   x = 59,080,098,221.50/281,269.72
6. Step 6: Final answer
   x = 210,047.84