Finding the Fourth Proportional to 13,016.25, 19,524.19 and 3,155.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.25 : 19,524.19 = 3,155.61 : x
2. Step 2: Convert to fraction form
   13,016.25/19,524.19 = 3,155.61/x
3. Step 3: Cross multiply
   13,016.25x = 19,524.19 × 3,155.61
4. Step 4: Simplify right side
   13,016.25x = 61,610,729.21
5. Step 5: Solve for x
   x = 61,610,729.21/13,016.25
6. Step 6: Final answer
   x = 4,733.37