Finding the Fourth Proportional to 14,162.25, 19,543.91 and 7,874.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,162.25 : 19,543.91 = 7,874.49 : x
2. Step 2: Convert to fraction form
   14,162.25/19,543.91 = 7,874.49/x
3. Step 3: Cross multiply
   14,162.25x = 19,543.91 × 7,874.49
4. Step 4: Simplify right side
   14,162.25x = 153,898,284.48
5. Step 5: Solve for x
   x = 153,898,284.48/14,162.25
6. Step 6: Final answer
   x = 10,866.80