Finding the Fourth Proportional to 31,288.24, 46,936.96 and 9,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,288.24 : 46,936.96 = 9,098.72 : x
2. Step 2: Convert to fraction form
   31,288.24/46,936.96 = 9,098.72/x
3. Step 3: Cross multiply
   31,288.24x = 46,936.96 × 9,098.72
4. Step 4: Simplify right side
   31,288.24x = 427,066,256.69
5. Step 5: Solve for x
   x = 427,066,256.69/31,288.24
6. Step 6: Final answer
   x = 13,649.42