Finding the Fourth Proportional to 2,709,312.09, 4,061,123.31 and 911,571.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709,312.09 : 4,061,123.31 = 911,571.44 : x
2. Step 2: Convert to fraction form
   2,709,312.09/4,061,123.31 = 911,571.44/x
3. Step 3: Cross multiply
   2,709,312.09x = 4,061,123.31 × 911,571.44
4. Step 4: Simplify right side
   2,709,312.09x = 3,702,004,023,714.27
5. Step 5: Solve for x
   x = 3,702,004,023,714.27/2,709,312.09
6. Step 6: Final answer
   x = 1,366,399.99