Finding the Fourth Proportional to 19,131.68, 28,693.42 and 5,982.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,131.68 : 28,693.42 = 5,982.34 : x
2. Step 2: Convert to fraction form
   19,131.68/28,693.42 = 5,982.34/x
3. Step 3: Cross multiply
   19,131.68x = 28,693.42 × 5,982.34
4. Step 4: Simplify right side
   19,131.68x = 171,653,794.20
5. Step 5: Solve for x
   x = 171,653,794.20/19,131.68
6. Step 6: Final answer
   x = 8,972.23