Finding the Fourth Proportional to 11,931.94, 16,467.59 and 7,216.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,931.94 : 16,467.59 = 7,216.25 : x
2. Step 2: Convert to fraction form
   11,931.94/16,467.59 = 7,216.25/x
3. Step 3: Cross multiply
   11,931.94x = 16,467.59 × 7,216.25
4. Step 4: Simplify right side
   11,931.94x = 118,834,246.34
5. Step 5: Solve for x
   x = 118,834,246.34/11,931.94
6. Step 6: Final answer
   x = 9,959.34