Finding the Fourth Proportional to 11,707.32, 17,561.02 and 2,942.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,707.32 : 17,561.02 = 2,942.18 : x
2. Step 2: Convert to fraction form
   11,707.32/17,561.02 = 2,942.18/x
3. Step 3: Cross multiply
   11,707.32x = 17,561.02 × 2,942.18
4. Step 4: Simplify right side
   11,707.32x = 51,667,681.82
5. Step 5: Solve for x
   x = 51,667,681.82/11,707.32
6. Step 6: Final answer
   x = 4,413.28