Finding the Fourth Proportional to 10,873.42, 15,005.27 and 5,905.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,873.42 : 15,005.27 = 5,905.42 : x
2. Step 2: Convert to fraction form
   10,873.42/15,005.27 = 5,905.42/x
3. Step 3: Cross multiply
   10,873.42x = 15,005.27 × 5,905.42
4. Step 4: Simplify right side
   10,873.42x = 88,612,421.56
5. Step 5: Solve for x
   x = 88,612,421.56/10,873.42
6. Step 6: Final answer
   x = 8,149.45