Finding the Fourth Proportional to 19,111.98, 28,668.32 and 6,632.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,111.98 : 28,668.32 = 6,632.42 : x
2. Step 2: Convert to fraction form
   19,111.98/28,668.32 = 6,632.42/x
3. Step 3: Cross multiply
   19,111.98x = 28,668.32 × 6,632.42
4. Step 4: Simplify right side
   19,111.98x = 190,140,162.43
5. Step 5: Solve for x
   x = 190,140,162.43/19,111.98
6. Step 6: Final answer
   x = 9,948.74