Finding the Fourth Proportional to 11,690.73, 17,540.15 and 7,302.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,690.73 : 17,540.15 = 7,302.96 : x
2. Step 2: Convert to fraction form
   11,690.73/17,540.15 = 7,302.96/x
3. Step 3: Cross multiply
   11,690.73x = 17,540.15 × 7,302.96
4. Step 4: Simplify right side
   11,690.73x = 128,094,977.33
5. Step 5: Solve for x
   x = 128,094,977.33/11,690.73
6. Step 6: Final answer
   x = 10,956.97