Finding the Fourth Proportional to 10,762.40, 16,144.52 and 2,971.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,762.40 : 16,144.52 = 2,971.21 : x
2. Step 2: Convert to fraction form
   10,762.40/16,144.52 = 2,971.21/x
3. Step 3: Cross multiply
   10,762.40x = 16,144.52 × 2,971.21
4. Step 4: Simplify right side
   10,762.40x = 47,968,726.34
5. Step 5: Solve for x
   x = 47,968,726.34/10,762.40
6. Step 6: Final answer
   x = 4,457.07