Finding the Fourth Proportional to 11,488.94, 17,218.98 and 4,907.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,488.94 : 17,218.98 = 4,907.39 : x
2. Step 2: Convert to fraction form
   11,488.94/17,218.98 = 4,907.39/x
3. Step 3: Cross multiply
   11,488.94x = 17,218.98 × 4,907.39
4. Step 4: Simplify right side
   11,488.94x = 84,500,164.17
5. Step 5: Solve for x
   x = 84,500,164.17/11,488.94
6. Step 6: Final answer
   x = 7,354.91