Finding the Fourth Proportional to 3,913,779.18, 5,401,605.78 and 2,386,772.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,913,779.18 : 5,401,605.78 = 2,386,772.04 : x
2. Step 2: Convert to fraction form
   3,913,779.18/5,401,605.78 = 2,386,772.04/x
3. Step 3: Cross multiply
   3,913,779.18x = 5,401,605.78 × 2,386,772.04
4. Step 4: Simplify right side
   3,913,779.18x = 12,892,401,646,806.39
5. Step 5: Solve for x
   x = 12,892,401,646,806.39/3,913,779.18
6. Step 6: Final answer
   x = 3,294,105.53