Finding the Fourth Proportional to 1,585,766.88, 2,188,359.42 and 860,614.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585,766.88 : 2,188,359.42 = 860,614.42 : x
2. Step 2: Convert to fraction form
   1,585,766.88/2,188,359.42 = 860,614.42/x
3. Step 3: Cross multiply
   1,585,766.88x = 2,188,359.42 × 860,614.42
4. Step 4: Simplify right side
   1,585,766.88x = 1,883,333,672,994.84
5. Step 5: Solve for x
   x = 1,883,333,672,994.84/1,585,766.88
6. Step 6: Final answer
   x = 1,187,648.51