Finding the Fourth Proportional to 3,109,218.32, 4,663,994.42 and 979,469.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,109,218.32 : 4,663,994.42 = 979,469.12 : x
2. Step 2: Convert to fraction form
   3,109,218.32/4,663,994.42 = 979,469.12/x
3. Step 3: Cross multiply
   3,109,218.32x = 4,663,994.42 × 979,469.12
4. Step 4: Simplify right side
   3,109,218.32x = 4,568,238,510,242.31
5. Step 5: Solve for x
   x = 4,568,238,510,242.31/3,109,218.32
6. Step 6: Final answer
   x = 1,469,256.27