Finding the Fourth Proportional to 11,854.90, 17,783.37 and 3,089.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,854.90 : 17,783.37 = 3,089.81 : x
2. Step 2: Convert to fraction form
   11,854.90/17,783.37 = 3,089.81/x
3. Step 3: Cross multiply
   11,854.90x = 17,783.37 × 3,089.81
4. Step 4: Simplify right side
   11,854.90x = 54,947,287.61
5. Step 5: Solve for x
   x = 54,947,287.61/11,854.90
6. Step 6: Final answer
   x = 4,634.99