Finding the Fourth Proportional to 2,709,351.18, 4,061,181.96 and 911,610.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709,351.18 : 4,061,181.96 = 911,610.57 : x
2. Step 2: Convert to fraction form
   2,709,351.18/4,061,181.96 = 911,610.57/x
3. Step 3: Cross multiply
   2,709,351.18x = 4,061,181.96 × 911,610.57
4. Step 4: Simplify right side
   2,709,351.18x = 3,702,216,401,429.32
5. Step 5: Solve for x
   x = 3,702,216,401,429.32/2,709,351.18
6. Step 6: Final answer
   x = 1,366,458.67