Finding the Fourth Proportional to 1,585,895.89, 2,188,538.37 and 860,743.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585,895.89 : 2,188,538.37 = 860,743.54 : x
2. Step 2: Convert to fraction form
   1,585,895.89/2,188,538.37 = 860,743.54/x
3. Step 3: Cross multiply
   1,585,895.89x = 2,188,538.37 × 860,743.54
4. Step 4: Simplify right side
   1,585,895.89x = 1,883,770,264,019.63
5. Step 5: Solve for x
   x = 1,883,770,264,019.63/1,585,895.89
6. Step 6: Final answer
   x = 1,187,827.19