Finding the Fourth Proportional to 2,078,997.30, 3,116,163.15 and 1,180,869.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,997.30 : 3,116,163.15 = 1,180,869.30 : x
2. Step 2: Convert to fraction form
   2,078,997.30/3,116,163.15 = 1,180,869.30/x
3. Step 3: Cross multiply
   2,078,997.30x = 3,116,163.15 × 1,180,869.30
4. Step 4: Simplify right side
   2,078,997.30x = 3,679,781,397,626.30
5. Step 5: Solve for x
   x = 3,679,781,397,626.30/2,078,997.30
6. Step 6: Final answer
   x = 1,769,978.92