Finding the Fourth Proportional to 19,131.34, 28,695.93 and 5,982.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,131.34 : 28,695.93 = 5,982.16 : x
2. Step 2: Convert to fraction form
   19,131.34/28,695.93 = 5,982.16/x
3. Step 3: Cross multiply
   19,131.34x = 28,695.93 × 5,982.16
4. Step 4: Simplify right side
   19,131.34x = 171,663,644.61
5. Step 5: Solve for x
   x = 171,663,644.61/19,131.34
6. Step 6: Final answer
   x = 8,972.90