Finding the Fourth Proportional to 2,980,398.72, 4,448,960.16 and 2,758,362.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980,398.72 : 4,448,960.16 = 2,758,362.24 : x
2. Step 2: Convert to fraction form
   2,980,398.72/4,448,960.16 = 2,758,362.24/x
3. Step 3: Cross multiply
   2,980,398.72x = 4,448,960.16 × 2,758,362.24
4. Step 4: Simplify right side
   2,980,398.72x = 12,271,843,712,608.36
5. Step 5: Solve for x
   x = 12,271,843,712,608.36/2,980,398.72
6. Step 6: Final answer
   x = 4,117,517.44