Finding the Fourth Proportional to 13,016.31, 19,524.29 and 3,155.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.31 : 19,524.29 = 3,155.67 : x
2. Step 2: Convert to fraction form
   13,016.31/19,524.29 = 3,155.67/x
3. Step 3: Cross multiply
   13,016.31x = 19,524.29 × 3,155.67
4. Step 4: Simplify right side
   13,016.31x = 61,612,216.22
5. Step 5: Solve for x
   x = 61,612,216.22/13,016.31
6. Step 6: Final answer
   x = 4,733.46