Finding the Fourth Proportional to 777,315.83, 1,166,638.35 and 304,333.34

Step by Step Solution

1. Step 1: Write the proportion equation
   777,315.83 : 1,166,638.35 = 304,333.34 : x
2. Step 2: Convert to fraction form
   777,315.83/1,166,638.35 = 304,333.34/x
3. Step 3: Cross multiply
   777,315.83x = 1,166,638.35 × 304,333.34
4. Step 4: Simplify right side
   777,315.83x = 355,046,945,627.59
5. Step 5: Solve for x
   x = 355,046,945,627.59/777,315.83
6. Step 6: Final answer
   x = 456,760.21