Finding the Fourth Proportional to 13,016.70, 19,525.10 and 3,155.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.70 : 19,525.10 = 3,155.96 : x
2. Step 2: Convert to fraction form
   13,016.70/19,525.10 = 3,155.96/x
3. Step 3: Cross multiply
   13,016.70x = 19,525.10 × 3,155.96
4. Step 4: Simplify right side
   13,016.70x = 61,620,467.63
5. Step 5: Solve for x
   x = 61,620,467.63/13,016.70
6. Step 6: Final answer
   x = 4,733.95