Finding the Fourth Proportional to 359,964.91, 496,748.61 and 196,621.52

Step by Step Solution

1. Step 1: Write the proportion equation
   359,964.91 : 496,748.61 = 196,621.52 : x
2. Step 2: Convert to fraction form
   359,964.91/496,748.61 = 196,621.52/x
3. Step 3: Cross multiply
   359,964.91x = 496,748.61 × 196,621.52
4. Step 4: Simplify right side
   359,964.91x = 97,671,467,997.96
5. Step 5: Solve for x
   x = 97,671,467,997.96/359,964.91
6. Step 6: Final answer
   x = 271,336.08