Finding the Fourth Proportional to 11,886.30, 17,819.42 and 7,494.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,886.30 : 17,819.42 = 7,494.08 : x
2. Step 2: Convert to fraction form
   11,886.30/17,819.42 = 7,494.08/x
3. Step 3: Cross multiply
   11,886.30x = 17,819.42 × 7,494.08
4. Step 4: Simplify right side
   11,886.30x = 133,540,032.47
5. Step 5: Solve for x
   x = 133,540,032.47/11,886.30
6. Step 6: Final answer
   x = 11,234.79