Finding the Fourth Proportional to 2,772,046.10, 4,158,069.15 and 2,618,081.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772,046.10 : 4,158,069.15 = 2,618,081.30 : x
2. Step 2: Convert to fraction form
   2,772,046.10/4,158,069.15 = 2,618,081.30/x
3. Step 3: Cross multiply
   2,772,046.10x = 4,158,069.15 × 2,618,081.30
4. Step 4: Simplify right side
   2,772,046.10x = 10,886,163,085,721.89
5. Step 5: Solve for x
   x = 10,886,163,085,721.89/2,772,046.10
6. Step 6: Final answer
   x = 3,927,121.95