Finding the Fourth Proportional to 2,397,155.96, 3,308,086.50 and 1,309,442.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397,155.96 : 3,308,086.50 = 1,309,442.60 : x
2. Step 2: Convert to fraction form
   2,397,155.96/3,308,086.50 = 1,309,442.60/x
3. Step 3: Cross multiply
   2,397,155.96x = 3,308,086.50 × 1,309,442.60
4. Step 4: Simplify right side
   2,397,155.96x = 4,331,749,387,584.90
5. Step 5: Solve for x
   x = 4,331,749,387,584.90/2,397,155.96
6. Step 6: Final answer
   x = 1,807,036.95