Finding the Fourth Proportional to 281,588.72, 388,592.82 and 152,528.58

Step by Step Solution

1. Step 1: Write the proportion equation
   281,588.72 : 388,592.82 = 152,528.58 : x
2. Step 2: Convert to fraction form
   281,588.72/388,592.82 = 152,528.58/x
3. Step 3: Cross multiply
   281,588.72x = 388,592.82 × 152,528.58
4. Step 4: Simplify right side
   281,588.72x = 59,271,511,032.80
5. Step 5: Solve for x
   x = 59,271,511,032.80/281,588.72
6. Step 6: Final answer
   x = 210,489.65