Finding the Fourth Proportional to 19,139.34, 28,693.52 and 5,984.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,139.34 : 28,693.52 = 5,984.94 : x
2. Step 2: Convert to fraction form
   19,139.34/28,693.52 = 5,984.94/x
3. Step 3: Cross multiply
   19,139.34x = 28,693.52 × 5,984.94
4. Step 4: Simplify right side
   19,139.34x = 171,728,995.59
5. Step 5: Solve for x
   x = 171,728,995.59/19,139.34
6. Step 6: Final answer
   x = 8,972.57