Finding the Fourth Proportional to 2,140,839.55, 2,954,399.13 and 1,173,912.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,839.55 : 2,954,399.13 = 1,173,912.18 : x
2. Step 2: Convert to fraction form
   2,140,839.55/2,954,399.13 = 1,173,912.18/x
3. Step 3: Cross multiply
   2,140,839.55x = 2,954,399.13 × 1,173,912.18
4. Step 4: Simplify right side
   2,140,839.55x = 3,468,205,112,209.41
5. Step 5: Solve for x
   x = 3,468,205,112,209.41/2,140,839.55
6. Step 6: Final answer
   x = 1,620,021.04