Finding the Fourth Proportional to 11,818.09, 17,726.53 and 3,052.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,818.09 : 17,726.53 = 3,052.78 : x
2. Step 2: Convert to fraction form
   11,818.09/17,726.53 = 3,052.78/x
3. Step 3: Cross multiply
   11,818.09x = 17,726.53 × 3,052.78
4. Step 4: Simplify right side
   11,818.09x = 54,115,196.25
5. Step 5: Solve for x
   x = 54,115,196.25/11,818.09
6. Step 6: Final answer
   x = 4,579.01