Finding the Fourth Proportional to 11,442.55, 17,166.56 and 4,775.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,442.55 : 17,166.56 = 4,775.34 : x
2. Step 2: Convert to fraction form
   11,442.55/17,166.56 = 4,775.34/x
3. Step 3: Cross multiply
   11,442.55x = 17,166.56 × 4,775.34
4. Step 4: Simplify right side
   11,442.55x = 81,976,172.57
5. Step 5: Solve for x
   x = 81,976,172.57/11,442.55
6. Step 6: Final answer
   x = 7,164.15