Finding the Fourth Proportional to 2,345,174.78, 3,517,725.20 and 747,727.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345,174.78 : 3,517,725.20 = 747,727.10 : x
2. Step 2: Convert to fraction form
   2,345,174.78/3,517,725.20 = 747,727.10/x
3. Step 3: Cross multiply
   2,345,174.78x = 3,517,725.20 × 747,727.10
4. Step 4: Simplify right side
   2,345,174.78x = 2,630,298,462,392.92
5. Step 5: Solve for x
   x = 2,630,298,462,392.92/2,345,174.78
6. Step 6: Final answer
   x = 1,121,578.86