Finding the Fourth Proportional to 11,907.36, 17,854.56 and 4,980.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,907.36 : 17,854.56 = 4,980.24 : x
2. Step 2: Convert to fraction form
   11,907.36/17,854.56 = 4,980.24/x
3. Step 3: Cross multiply
   11,907.36x = 17,854.56 × 4,980.24
4. Step 4: Simplify right side
   11,907.36x = 88,919,993.89
5. Step 5: Solve for x
   x = 88,919,993.89/11,907.36
6. Step 6: Final answer
   x = 7,467.65