Finding the Fourth Proportional to 264,196.62, 364,593.39 and 155,271.72

Step by Step Solution

1. Step 1: Write the proportion equation
   264,196.62 : 364,593.39 = 155,271.72 : x
2. Step 2: Convert to fraction form
   264,196.62/364,593.39 = 155,271.72/x
3. Step 3: Cross multiply
   264,196.62x = 364,593.39 × 155,271.72
4. Step 4: Simplify right side
   264,196.62x = 56,611,042,765.93
5. Step 5: Solve for x
   x = 56,611,042,765.93/264,196.62
6. Step 6: Final answer
   x = 214,276.18