Finding the Fourth Proportional to 19,131.62, 28,697.94 and 5,983.99

Step by Step Solution

1. Step 1: Write the proportion equation
   19,131.62 : 28,697.94 = 5,983.99 : x
2. Step 2: Convert to fraction form
   19,131.62/28,697.94 = 5,983.99/x
3. Step 3: Cross multiply
   19,131.62x = 28,697.94 × 5,983.99
4. Step 4: Simplify right side
   19,131.62x = 171,728,185.98
5. Step 5: Solve for x
   x = 171,728,185.98/19,131.62
6. Step 6: Final answer
   x = 8,976.14