Finding the Fourth Proportional to 11,111.24, 16,666.32 and 2,791.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.24 : 16,666.32 = 2,791.07 : x
2. Step 2: Convert to fraction form
   11,111.24/16,666.32 = 2,791.07/x
3. Step 3: Cross multiply
   11,111.24x = 16,666.32 × 2,791.07
4. Step 4: Simplify right side
   11,111.24x = 46,516,855.40
5. Step 5: Solve for x
   x = 46,516,855.40/11,111.24
6. Step 6: Final answer
   x = 4,186.47