Finding the Fourth Proportional to 11,556.42, 17,330.37 and 4,158.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,556.42 : 17,330.37 = 4,158.89 : x
2. Step 2: Convert to fraction form
   11,556.42/17,330.37 = 4,158.89/x
3. Step 3: Cross multiply
   11,556.42x = 17,330.37 × 4,158.89
4. Step 4: Simplify right side
   11,556.42x = 72,075,102.49
5. Step 5: Solve for x
   x = 72,075,102.49/11,556.42
6. Step 6: Final answer
   x = 6,236.80