Finding the Fourth Proportional to 10,570.15, 14,553.61 and 8,973.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.15 : 14,553.61 = 8,973.49 : x
2. Step 2: Convert to fraction form
   10,570.15/14,553.61 = 8,973.49/x
3. Step 3: Cross multiply
   10,570.15x = 14,553.61 × 8,973.49
4. Step 4: Simplify right side
   10,570.15x = 130,596,673.80
5. Step 5: Solve for x
   x = 130,596,673.80/10,570.15
6. Step 6: Final answer
   x = 12,355.23