Finding the Fourth Proportional to 31,103.37, 46,648.17 and 8,916.66

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103.37 : 46,648.17 = 8,916.66 : x
2. Step 2: Convert to fraction form
   31,103.37/46,648.17 = 8,916.66/x
3. Step 3: Cross multiply
   31,103.37x = 46,648.17 × 8,916.66
4. Step 4: Simplify right side
   31,103.37x = 415,945,871.51
5. Step 5: Solve for x
   x = 415,945,871.51/31,103.37
6. Step 6: Final answer
   x = 13,373.02