Finding the Fourth Proportional to 13,111.24, 19,670.22 and 4,348.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111.24 : 19,670.22 = 4,348.60 : x
2. Step 2: Convert to fraction form
   13,111.24/19,670.22 = 4,348.60/x
3. Step 3: Cross multiply
   13,111.24x = 19,670.22 × 4,348.60
4. Step 4: Simplify right side
   13,111.24x = 85,537,918.69
5. Step 5: Solve for x
   x = 85,537,918.69/13,111.24
6. Step 6: Final answer
   x = 6,524.01