Finding the Fourth Proportional to 2,287,499.48, 3,430,076.87 and 1,208,591.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,499.48 : 3,430,076.87 = 1,208,591.18 : x
2. Step 2: Convert to fraction form
   2,287,499.48/3,430,076.87 = 1,208,591.18/x
3. Step 3: Cross multiply
   2,287,499.48x = 3,430,076.87 × 1,208,591.18
4. Step 4: Simplify right side
   2,287,499.48x = 4,145,560,628,610.67
5. Step 5: Solve for x
   x = 4,145,560,628,610.67/2,287,499.48
6. Step 6: Final answer
   x = 1,812,267.36