Finding the Fourth Proportional to 874,838.56, 1,199,403.54 and 858,895.34

Step by Step Solution

1. Step 1: Write the proportion equation
   874,838.56 : 1,199,403.54 = 858,895.34 : x
2. Step 2: Convert to fraction form
   874,838.56/1,199,403.54 = 858,895.34/x
3. Step 3: Cross multiply
   874,838.56x = 1,199,403.54 × 858,895.34
4. Step 4: Simplify right side
   874,838.56x = 1,030,162,111,285.50
5. Step 5: Solve for x
   x = 1,030,162,111,285.50/874,838.56
6. Step 6: Final answer
   x = 1,177,545.39