Finding the Fourth Proportional to 2,040.86, 2,816.56 and 1,201.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.86 : 2,816.56 = 1,201.13 : x
2. Step 2: Convert to fraction form
   2,040.86/2,816.56 = 1,201.13/x
3. Step 3: Cross multiply
   2,040.86x = 2,816.56 × 1,201.13
4. Step 4: Simplify right side
   2,040.86x = 3,383,054.71
5. Step 5: Solve for x
   x = 3,383,054.71/2,040.86
6. Step 6: Final answer
   x = 1,657.67