Finding the Fourth Proportional to 3,008,638.28, 4,513,621.27 and 1,115,379.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,008,638.28 : 4,513,621.27 = 1,115,379.72 : x
2. Step 2: Convert to fraction form
   3,008,638.28/4,513,621.27 = 1,115,379.72/x
3. Step 3: Cross multiply
   3,008,638.28x = 4,513,621.27 × 1,115,379.72
4. Step 4: Simplify right side
   3,008,638.28x = 5,034,401,627,621.53
5. Step 5: Solve for x
   x = 5,034,401,627,621.53/3,008,638.28
6. Step 6: Final answer
   x = 1,673,315.68