Finding the Fourth Proportional to 13,019.72, 19,525.55 and 4,698.66

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.72 : 19,525.55 = 4,698.66 : x
2. Step 2: Convert to fraction form
   13,019.72/19,525.55 = 4,698.66/x
3. Step 3: Cross multiply
   13,019.72x = 19,525.55 × 4,698.66
4. Step 4: Simplify right side
   13,019.72x = 91,743,897.27
5. Step 5: Solve for x
   x = 91,743,897.27/13,019.72
6. Step 6: Final answer
   x = 7,046.54