Finding the Fourth Proportional to 2,499,565.78, 3,449,383.60 and 1,353,619.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,565.78 : 3,449,383.60 = 1,353,619.90 : x
2. Step 2: Convert to fraction form
   2,499,565.78/3,449,383.60 = 1,353,619.90/x
3. Step 3: Cross multiply
   2,499,565.78x = 3,449,383.60 × 1,353,619.90
4. Step 4: Simplify right side
   2,499,565.78x = 4,669,154,259,678.62
5. Step 5: Solve for x
   x = 4,669,154,259,678.62/2,499,565.78
6. Step 6: Final answer
   x = 1,867,986.15