Finding the Fourth Proportional to 281,271.99, 388,153.94 and 152,210.37

Step by Step Solution

1. Step 1: Write the proportion equation
   281,271.99 : 388,153.94 = 152,210.37 : x
2. Step 2: Convert to fraction form
   281,271.99/388,153.94 = 152,210.37/x
3. Step 3: Cross multiply
   281,271.99x = 388,153.94 × 152,210.37
4. Step 4: Simplify right side
   281,271.99x = 59,081,054,063.31
5. Step 5: Solve for x
   x = 59,081,054,063.31/281,271.99
6. Step 6: Final answer
   x = 210,049.55