Finding the Fourth Proportional to 11,456.22, 17,184.78 and 4,877.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,456.22 : 17,184.78 = 4,877.91 : x
2. Step 2: Convert to fraction form
   11,456.22/17,184.78 = 4,877.91/x
3. Step 3: Cross multiply
   11,456.22x = 17,184.78 × 4,877.91
4. Step 4: Simplify right side
   11,456.22x = 83,825,810.21
5. Step 5: Solve for x
   x = 83,825,810.21/11,456.22
6. Step 6: Final answer
   x = 7,317.06