Finding the Fourth Proportional to 2,060,118.28, 3,089,616.18 and 861,846.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060,118.28 : 3,089,616.18 = 861,846.40 : x
2. Step 2: Convert to fraction form
   2,060,118.28/3,089,616.18 = 861,846.40/x
3. Step 3: Cross multiply
   2,060,118.28x = 3,089,616.18 × 861,846.40
4. Step 4: Simplify right side
   2,060,118.28x = 2,662,774,582,114.75
5. Step 5: Solve for x
   x = 2,662,774,582,114.75/2,060,118.28
6. Step 6: Final answer
   x = 1,292,534.81