Finding the Fourth Proportional to 11,456.16, 17,184.23 and 3,136.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,456.16 : 17,184.23 = 3,136.25 : x
2. Step 2: Convert to fraction form
   11,456.16/17,184.23 = 3,136.25/x
3. Step 3: Cross multiply
   11,456.16x = 17,184.23 × 3,136.25
4. Step 4: Simplify right side
   11,456.16x = 53,894,041.34
5. Step 5: Solve for x
   x = 53,894,041.34/11,456.16
6. Step 6: Final answer
   x = 4,704.37