Finding the Fourth Proportional to 777,322.72, 1,165,748.72 and 271,789.52

Step by Step Solution

1. Step 1: Write the proportion equation
   777,322.72 : 1,165,748.72 = 271,789.52 : x
2. Step 2: Convert to fraction form
   777,322.72/1,165,748.72 = 271,789.52/x
3. Step 3: Cross multiply
   777,322.72x = 1,165,748.72 × 271,789.52
4. Step 4: Simplify right side
   777,322.72x = 316,838,285,049.41
5. Step 5: Solve for x
   x = 316,838,285,049.41/777,322.72
6. Step 6: Final answer
   x = 407,601.99