Finding the Fourth Proportional to 1,309,778.42, 1,806,519.91 and 1,156,546.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,778.42 : 1,806,519.91 = 1,156,546.27 : x
2. Step 2: Convert to fraction form
   1,309,778.42/1,806,519.91 = 1,156,546.27/x
3. Step 3: Cross multiply
   1,309,778.42x = 1,806,519.91 × 1,156,546.27
4. Step 4: Simplify right side
   1,309,778.42x = 2,089,323,856,183.57
5. Step 5: Solve for x
   x = 2,089,323,856,183.57/1,309,778.42
6. Step 6: Final answer
   x = 1,595,173.52