Finding the Fourth Proportional to 2,657,222.14, 3,986,465.76 and 860,105.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657,222.14 : 3,986,465.76 = 860,105.49 : x
2. Step 2: Convert to fraction form
   2,657,222.14/3,986,465.76 = 860,105.49/x
3. Step 3: Cross multiply
   2,657,222.14x = 3,986,465.76 × 860,105.49
4. Step 4: Simplify right side
   2,657,222.14x = 3,428,781,085,873.02
5. Step 5: Solve for x
   x = 3,428,781,085,873.02/2,657,222.14
6. Step 6: Final answer
   x = 1,290,362.98