Finding the Fourth Proportional to 2,640,488.96, 3,960,942.72 and 747,242.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,488.96 : 3,960,942.72 = 747,242.24 : x
2. Step 2: Convert to fraction form
   2,640,488.96/3,960,942.72 = 747,242.24/x
3. Step 3: Cross multiply
   2,640,488.96x = 3,960,942.72 × 747,242.24
4. Step 4: Simplify right side
   2,640,488.96x = 2,959,783,710,604.49
5. Step 5: Solve for x
   x = 2,959,783,710,604.49/2,640,488.96
6. Step 6: Final answer
   x = 1,120,922.58