Finding the Fourth Proportional to 516,036.72, 773,748.48 and 196,212

Step by Step Solution

1. Step 1: Write the proportion equation
   516,036.72 : 773,748.48 = 196,212 : x
2. Step 2: Convert to fraction form
   516,036.72/773,748.48 = 196,212/x
3. Step 3: Cross multiply
   516,036.72x = 773,748.48 × 196,212
4. Step 4: Simplify right side
   516,036.72x = 151,818,736,757.76
5. Step 5: Solve for x
   x = 151,818,736,757.76/516,036.72
6. Step 6: Final answer
   x = 294,201.42