Finding the Fourth Proportional to 2,078,259.60, 3,111,168.60 and 1,854,310.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,259.60 : 3,111,168.60 = 1,854,310.80 : x
2. Step 2: Convert to fraction form
   2,078,259.60/3,111,168.60 = 1,854,310.80/x
3. Step 3: Cross multiply
   2,078,259.60x = 3,111,168.60 × 1,854,310.80
4. Step 4: Simplify right side
   2,078,259.60x = 5,769,073,535,600.88
5. Step 5: Solve for x
   x = 5,769,073,535,600.88/2,078,259.60
6. Step 6: Final answer
   x = 2,775,915.74