Finding the Fourth Proportional to 19,069.98, 28,605.41 and 5,031.43

Step by Step Solution

1. Step 1: Write the proportion equation
   19,069.98 : 28,605.41 = 5,031.43 : x
2. Step 2: Convert to fraction form
   19,069.98/28,605.41 = 5,031.43/x
3. Step 3: Cross multiply
   19,069.98x = 28,605.41 × 5,031.43
4. Step 4: Simplify right side
   19,069.98x = 143,926,021.37
5. Step 5: Solve for x
   x = 143,926,021.37/19,069.98
6. Step 6: Final answer
   x = 7,547.26