Finding the Fourth Proportional to 10,146.88, 15,222.60 and 3,393

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.88 : 15,222.60 = 3,393 : x
2. Step 2: Convert to fraction form
   10,146.88/15,222.60 = 3,393/x
3. Step 3: Cross multiply
   10,146.88x = 15,222.60 × 3,393
4. Step 4: Simplify right side
   10,146.88x = 51,650,281.80
5. Step 5: Solve for x
   x = 51,650,281.80/10,146.88
6. Step 6: Final answer
   x = 5,090.26