Finding the Fourth Proportional to 4,298,667.55, 5,929,697.78 and 2,686,236.19

Step by Step Solution

1. Step 1: Write the proportion equation
   4,298,667.55 : 5,929,697.78 = 2,686,236.19 : x
2. Step 2: Convert to fraction form
   4,298,667.55/5,929,697.78 = 2,686,236.19/x
3. Step 3: Cross multiply
   4,298,667.55x = 5,929,697.78 × 2,686,236.19
4. Step 4: Simplify right side
   4,298,667.55x = 15,928,568,754,216.62
5. Step 5: Solve for x
   x = 15,928,568,754,216.62/4,298,667.55
6. Step 6: Final answer
   x = 3,705,466.54