Finding the Fourth Proportional to 11,742.73, 17,618.15 and 7,354.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,742.73 : 17,618.15 = 7,354.96 : x
2. Step 2: Convert to fraction form
   11,742.73/17,618.15 = 7,354.96/x
3. Step 3: Cross multiply
   11,742.73x = 17,618.15 × 7,354.96
4. Step 4: Simplify right side
   11,742.73x = 129,580,788.52
5. Step 5: Solve for x
   x = 129,580,788.52/11,742.73
6. Step 6: Final answer
   x = 11,034.98