Finding the Fourth Proportional to 31,443.73, 47,173.79 and 9,256.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,443.73 : 47,173.79 = 9,256.38 : x
2. Step 2: Convert to fraction form
   31,443.73/47,173.79 = 9,256.38/x
3. Step 3: Cross multiply
   31,443.73x = 47,173.79 × 9,256.38
4. Step 4: Simplify right side
   31,443.73x = 436,658,549.42
5. Step 5: Solve for x
   x = 436,658,549.42/31,443.73
6. Step 6: Final answer
   x = 13,886.98