Finding the Fourth Proportional to 2,788,366.10, 4,185,659.55 and 2,605,630.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788,366.10 : 4,185,659.55 = 2,605,630.10 : x
2. Step 2: Convert to fraction form
   2,788,366.10/4,185,659.55 = 2,605,630.10/x
3. Step 3: Cross multiply
   2,788,366.10x = 4,185,659.55 × 2,605,630.10
4. Step 4: Simplify right side
   2,788,366.10x = 10,906,280,511,832.46
5. Step 5: Solve for x
   x = 10,906,280,511,832.46/2,788,366.10
6. Step 6: Final answer
   x = 3,911,351.71