Finding the Fourth Proportional to 2,069,806.15, 2,856,328.14 and 1,164,388.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069,806.15 : 2,856,328.14 = 1,164,388.15 : x
2. Step 2: Convert to fraction form
   2,069,806.15/2,856,328.14 = 1,164,388.15/x
3. Step 3: Cross multiply
   2,069,806.15x = 2,856,328.14 × 1,164,388.15
4. Step 4: Simplify right side
   2,069,806.15x = 3,325,874,638,727.54
5. Step 5: Solve for x
   x = 3,325,874,638,727.54/2,069,806.15
6. Step 6: Final answer
   x = 1,606,853.20