Finding the Fourth Proportional to 825,586, 1,236,967.27 and 645,601.93

Step by Step Solution

1. Step 1: Write the proportion equation
   825,586 : 1,236,967.27 = 645,601.93 : x
2. Step 2: Convert to fraction form
   825,586/1,236,967.27 = 645,601.93/x
3. Step 3: Cross multiply
   825,586x = 1,236,967.27 × 645,601.93
4. Step 4: Simplify right side
   825,586x = 798,588,456,858.83
5. Step 5: Solve for x
   x = 798,588,456,858.83/825,586
6. Step 6: Final answer
   x = 967,298.93