Finding the Fourth Proportional to 945,436.52, 1,304,710.73 and 515,718.56

Step by Step Solution

1. Step 1: Write the proportion equation
   945,436.52 : 1,304,710.73 = 515,718.56 : x
2. Step 2: Convert to fraction form
   945,436.52/1,304,710.73 = 515,718.56/x
3. Step 3: Cross multiply
   945,436.52x = 1,304,710.73 × 515,718.56
4. Step 4: Simplify right side
   945,436.52x = 672,863,529,790.00
5. Step 5: Solve for x
   x = 672,863,529,790.00/945,436.52
6. Step 6: Final answer
   x = 711,696.15