Finding the Fourth Proportional to 28,614.72, 42,924.96 and 10,607.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,614.72 : 42,924.96 = 10,607.82 : x
2. Step 2: Convert to fraction form
   28,614.72/42,924.96 = 10,607.82/x
3. Step 3: Cross multiply
   28,614.72x = 42,924.96 × 10,607.82
4. Step 4: Simplify right side
   28,614.72x = 455,340,249.19
5. Step 5: Solve for x
   x = 455,340,249.19/28,614.72
6. Step 6: Final answer
   x = 15,912.80