Finding the Fourth Proportional to 15,342.63, 23,019.89 and 5,983.49

Step by Step Solution

1. Step 1: Write the proportion equation
   15,342.63 : 23,019.89 = 5,983.49 : x
2. Step 2: Convert to fraction form
   15,342.63/23,019.89 = 5,983.49/x
3. Step 3: Cross multiply
   15,342.63x = 23,019.89 × 5,983.49
4. Step 4: Simplify right side
   15,342.63x = 137,739,136.60
5. Step 5: Solve for x
   x = 137,739,136.60/15,342.63
6. Step 6: Final answer
   x = 8,977.54