Finding the Fourth Proportional to 9,731.11, 14,598.72 and 3,156.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,731.11 : 14,598.72 = 3,156.79 : x
2. Step 2: Convert to fraction form
   9,731.11/14,598.72 = 3,156.79/x
3. Step 3: Cross multiply
   9,731.11x = 14,598.72 × 3,156.79
4. Step 4: Simplify right side
   9,731.11x = 46,085,093.06
5. Step 5: Solve for x
   x = 46,085,093.06/9,731.11
6. Step 6: Final answer
   x = 4,735.85