Finding the Fourth Proportional to 11,378.88, 17,071.56 and 4,805.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,378.88 : 17,071.56 = 4,805.46 : x
2. Step 2: Convert to fraction form
   11,378.88/17,071.56 = 4,805.46/x
3. Step 3: Cross multiply
   11,378.88x = 17,071.56 × 4,805.46
4. Step 4: Simplify right side
   11,378.88x = 82,036,698.72
5. Step 5: Solve for x
   x = 82,036,698.72/11,378.88
6. Step 6: Final answer
   x = 7,209.56