Finding the Fourth Proportional to 13,017.65, 19,525.86 and 4,251.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017.65 : 19,525.86 = 4,251.42 : x
2. Step 2: Convert to fraction form
   13,017.65/19,525.86 = 4,251.42/x
3. Step 3: Cross multiply
   13,017.65x = 19,525.86 × 4,251.42
4. Step 4: Simplify right side
   13,017.65x = 83,012,631.72
5. Step 5: Solve for x
   x = 83,012,631.72/13,017.65
6. Step 6: Final answer
   x = 6,376.93