Finding the Fourth Proportional to 1,589,061.78, 2,192,947.56 and 863,958.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589,061.78 : 2,192,947.56 = 863,958.42 : x
2. Step 2: Convert to fraction form
   1,589,061.78/2,192,947.56 = 863,958.42/x
3. Step 3: Cross multiply
   1,589,061.78x = 2,192,947.56 × 863,958.42
4. Step 4: Simplify right side
   1,589,061.78x = 1,894,615,509,080.46
5. Step 5: Solve for x
   x = 1,894,615,509,080.46/1,589,061.78
6. Step 6: Final answer
   x = 1,192,285.62