Finding the Fourth Proportional to 281,271.72, 388,156.01 and 152,210.18

Step by Step Solution

1. Step 1: Write the proportion equation
   281,271.72 : 388,156.01 = 152,210.18 : x
2. Step 2: Convert to fraction form
   281,271.72/388,156.01 = 152,210.18/x
3. Step 3: Cross multiply
   281,271.72x = 388,156.01 × 152,210.18
4. Step 4: Simplify right side
   281,271.72x = 59,081,293,448.35
5. Step 5: Solve for x
   x = 59,081,293,448.35/281,271.72
6. Step 6: Final answer
   x = 210,050.60