Finding the Fourth Proportional to 11,091.88, 16,641.78 and 4,764.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.88 : 16,641.78 = 4,764.10 : x
2. Step 2: Convert to fraction form
   11,091.88/16,641.78 = 4,764.10/x
3. Step 3: Cross multiply
   11,091.88x = 16,641.78 × 4,764.10
4. Step 4: Simplify right side
   11,091.88x = 79,283,104.10
5. Step 5: Solve for x
   x = 79,283,104.10/11,091.88
6. Step 6: Final answer
   x = 7,147.85