Finding the Fourth Proportional to 1,585,773.69, 2,188,384.05 and 860,627.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585,773.69 : 2,188,384.05 = 860,627.67 : x
2. Step 2: Convert to fraction form
   1,585,773.69/2,188,384.05 = 860,627.67/x
3. Step 3: Cross multiply
   1,585,773.69x = 2,188,384.05 × 860,627.67
4. Step 4: Simplify right side
   1,585,773.69x = 1,883,383,866,016.66
5. Step 5: Solve for x
   x = 1,883,383,866,016.66/1,585,773.69
6. Step 6: Final answer
   x = 1,187,675.06