Finding the Fourth Proportional to 2,057,069.59, 3,086,865.58 and 920,792.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,069.59 : 3,086,865.58 = 920,792.55 : x
2. Step 2: Convert to fraction form
   2,057,069.59/3,086,865.58 = 920,792.55/x
3. Step 3: Cross multiply
   2,057,069.59x = 3,086,865.58 × 920,792.55
4. Step 4: Simplify right side
   2,057,069.59x = 2,842,362,840,982.32
5. Step 5: Solve for x
   x = 2,842,362,840,982.32/2,057,069.59
6. Step 6: Final answer
   x = 1,381,753.37