Finding the Fourth Proportional to 1,006,527.87, 1,389,046.71 and 576,890.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,006,527.87 : 1,389,046.71 = 576,890.91 : x
2. Step 2: Convert to fraction form
   1,006,527.87/1,389,046.71 = 576,890.91/x
3. Step 3: Cross multiply
   1,006,527.87x = 1,389,046.71 × 576,890.91
4. Step 4: Simplify right side
   1,006,527.87x = 801,328,410,734.72
5. Step 5: Solve for x
   x = 801,328,410,734.72/1,006,527.87
6. Step 6: Final answer
   x = 796,131.37