Finding the Fourth Proportional to 2,456,354.80, 3,684,532.20 and 858,751.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,354.80 : 3,684,532.20 = 858,751.30 : x
2. Step 2: Convert to fraction form
   2,456,354.80/3,684,532.20 = 858,751.30/x
3. Step 3: Cross multiply
   2,456,354.80x = 3,684,532.20 × 858,751.30
4. Step 4: Simplify right side
   2,456,354.80x = 3,164,096,816,641.86
5. Step 5: Solve for x
   x = 3,164,096,816,641.86/2,456,354.80
6. Step 6: Final answer
   x = 1,288,126.95