Finding the Fourth Proportional to 2,308,839.27, 3,186,202.51 and 1,290,244.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,839.27 : 3,186,202.51 = 1,290,244.02 : x
2. Step 2: Convert to fraction form
   2,308,839.27/3,186,202.51 = 1,290,244.02/x
3. Step 3: Cross multiply
   2,308,839.27x = 3,186,202.51 × 1,290,244.02
4. Step 4: Simplify right side
   2,308,839.27x = 4,110,978,719,105.48
5. Step 5: Solve for x
   x = 4,110,978,719,105.48/2,308,839.27
6. Step 6: Final answer
   x = 1,780,539.16