Finding the Fourth Proportional to 2,636,953, 3,955,230.78 and 839,763.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636,953 : 3,955,230.78 = 839,763.88 : x
2. Step 2: Convert to fraction form
   2,636,953/3,955,230.78 = 839,763.88/x
3. Step 3: Cross multiply
   2,636,953x = 3,955,230.78 × 839,763.88
4. Step 4: Simplify right side
   2,636,953x = 3,321,459,946,108.23
5. Step 5: Solve for x
   x = 3,321,459,946,108.23/2,636,953
6. Step 6: Final answer
   x = 1,259,582.54