Finding the Fourth Proportional to 16,370.83, 22,567.87 and 13,015

Step by Step Solution

1. Step 1: Write the proportion equation
   16,370.83 : 22,567.87 = 13,015 : x
2. Step 2: Convert to fraction form
   16,370.83/22,567.87 = 13,015/x
3. Step 3: Cross multiply
   16,370.83x = 22,567.87 × 13,015
4. Step 4: Simplify right side
   16,370.83x = 293,720,828.05
5. Step 5: Solve for x
   x = 293,720,828.05/16,370.83
6. Step 6: Final answer
   x = 17,941.72