Finding the Fourth Proportional to 1,585,627.59, 2,188,167.48 and 860,475.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585,627.59 : 2,188,167.48 = 860,475.31 : x
2. Step 2: Convert to fraction form
   1,585,627.59/2,188,167.48 = 860,475.31/x
3. Step 3: Cross multiply
   1,585,627.59x = 2,188,167.48 × 860,475.31
4. Step 4: Simplify right side
   1,585,627.59x = 1,882,864,085,214.50
5. Step 5: Solve for x
   x = 1,882,864,085,214.50/1,585,627.59
6. Step 6: Final answer
   x = 1,187,456.68