Finding the Fourth Proportional to 2,650,752, 3,976,128 and 656,208

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650,752 : 3,976,128 = 656,208 : x
2. Step 2: Convert to fraction form
   2,650,752/3,976,128 = 656,208/x
3. Step 3: Cross multiply
   2,650,752x = 3,976,128 × 656,208
4. Step 4: Simplify right side
   2,650,752x = 2,609,167,002,624
5. Step 5: Solve for x
   x = 2,609,167,002,624/2,650,752
6. Step 6: Final answer
   x = 984,312