Finding the Fourth Proportional to 14,160.42, 19,540.83 and 7,873.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,160.42 : 19,540.83 = 7,873.20 : x
2. Step 2: Convert to fraction form
   14,160.42/19,540.83 = 7,873.20/x
3. Step 3: Cross multiply
   14,160.42x = 19,540.83 × 7,873.20
4. Step 4: Simplify right side
   14,160.42x = 153,848,862.76
5. Step 5: Solve for x
   x = 153,848,862.76/14,160.42
6. Step 6: Final answer
   x = 10,864.71