Finding the Fourth Proportional to 2,633,143.86, 3,949,715.43 and 926,885.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633,143.86 : 3,949,715.43 = 926,885.34 : x
2. Step 2: Convert to fraction form
   2,633,143.86/3,949,715.43 = 926,885.34/x
3. Step 3: Cross multiply
   2,633,143.86x = 3,949,715.43 × 926,885.34
4. Step 4: Simplify right side
   2,633,143.86x = 3,660,933,329,238.80
5. Step 5: Solve for x
   x = 3,660,933,329,238.80/2,633,143.86
6. Step 6: Final answer
   x = 1,390,327.88