Finding the Fourth Proportional to 2,059,022.16, 3,087,480.06 and 860,617.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059,022.16 : 3,087,480.06 = 860,617.44 : x
2. Step 2: Convert to fraction form
   2,059,022.16/3,087,480.06 = 860,617.44/x
3. Step 3: Cross multiply
   2,059,022.16x = 3,087,480.06 × 860,617.44
4. Step 4: Simplify right side
   2,059,022.16x = 2,657,139,185,288.25
5. Step 5: Solve for x
   x = 2,657,139,185,288.25/2,059,022.16
6. Step 6: Final answer
   x = 1,290,485.96