Finding the Fourth Proportional to 2,262,338.86, 3,121,994.18 and 1,229,812.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262,338.86 : 3,121,994.18 = 1,229,812.42 : x
2. Step 2: Convert to fraction form
   2,262,338.86/3,121,994.18 = 1,229,812.42/x
3. Step 3: Cross multiply
   2,262,338.86x = 3,121,994.18 × 1,229,812.42
4. Step 4: Simplify right side
   2,262,338.86x = 3,839,467,217,731.72
5. Step 5: Solve for x
   x = 3,839,467,217,731.72/2,262,338.86
6. Step 6: Final answer
   x = 1,697,122.96