Finding the Fourth Proportional to 21,247.08, 31,875.25 and 7,016.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,247.08 : 31,875.25 = 7,016.18 : x
2. Step 2: Convert to fraction form
   21,247.08/31,875.25 = 7,016.18/x
3. Step 3: Cross multiply
   21,247.08x = 31,875.25 × 7,016.18
4. Step 4: Simplify right side
   21,247.08x = 223,642,491.55
5. Step 5: Solve for x
   x = 223,642,491.55/21,247.08
6. Step 6: Final answer
   x = 10,525.80