Finding the Fourth Proportional to 11,621.55, 17,428.81 and 3,302.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,621.55 : 17,428.81 = 3,302.25 : x
2. Step 2: Convert to fraction form
   11,621.55/17,428.81 = 3,302.25/x
3. Step 3: Cross multiply
   11,621.55x = 17,428.81 × 3,302.25
4. Step 4: Simplify right side
   11,621.55x = 57,554,287.82
5. Step 5: Solve for x
   x = 57,554,287.82/11,621.55
6. Step 6: Final answer
   x = 4,952.38