Finding the Fourth Proportional to 10,570.15, 14,557.28 and 10,340.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.15 : 14,557.28 = 10,340.52 : x
2. Step 2: Convert to fraction form
   10,570.15/14,557.28 = 10,340.52/x
3. Step 3: Cross multiply
   10,570.15x = 14,557.28 × 10,340.52
4. Step 4: Simplify right side
   10,570.15x = 150,529,844.99
5. Step 5: Solve for x
   x = 150,529,844.99/10,570.15
6. Step 6: Final answer
   x = 14,241.03