Finding the Fourth Proportional to 2,608,994.08, 3,598,886.56 and 1,640,591.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,994.08 : 3,598,886.56 = 1,640,591.20 : x
2. Step 2: Convert to fraction form
   2,608,994.08/3,598,886.56 = 1,640,591.20/x
3. Step 3: Cross multiply
   2,608,994.08x = 3,598,886.56 × 1,640,591.20
4. Step 4: Simplify right side
   2,608,994.08x = 5,904,301,620,134.27
5. Step 5: Solve for x
   x = 5,904,301,620,134.27/2,608,994.08
6. Step 6: Final answer
   x = 2,263,056.73