Finding the Fourth Proportional to 9,399.30, 14,100.17 and 3,156.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,399.30 : 14,100.17 = 3,156.63 : x
2. Step 2: Convert to fraction form
   9,399.30/14,100.17 = 3,156.63/x
3. Step 3: Cross multiply
   9,399.30x = 14,100.17 × 3,156.63
4. Step 4: Simplify right side
   9,399.30x = 44,509,003.84
5. Step 5: Solve for x
   x = 44,509,003.84/9,399.30
6. Step 6: Final answer
   x = 4,735.35