Finding the Fourth Proportional to 3,736,684.72, 5,156,640.66 and 2,105,111.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736,684.72 : 5,156,640.66 = 2,105,111.65 : x
2. Step 2: Convert to fraction form
   3,736,684.72/5,156,640.66 = 2,105,111.65/x
3. Step 3: Cross multiply
   3,736,684.72x = 5,156,640.66 × 2,105,111.65
4. Step 4: Simplify right side
   3,736,684.72x = 10,855,304,328,229.69
5. Step 5: Solve for x
   x = 10,855,304,328,229.69/3,736,684.72
6. Step 6: Final answer
   x = 2,905,062.95