Finding the Fourth Proportional to 11,573.60, 17,358.20 and 5,644.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,573.60 : 17,358.20 = 5,644.53 : x
2. Step 2: Convert to fraction form
   11,573.60/17,358.20 = 5,644.53/x
3. Step 3: Cross multiply
   11,573.60x = 17,358.20 × 5,644.53
4. Step 4: Simplify right side
   11,573.60x = 97,978,852.42
5. Step 5: Solve for x
   x = 97,978,852.42/11,573.60
6. Step 6: Final answer
   x = 8,465.72