Finding the Fourth Proportional to 9,350.70, 14,025.98 and 3,111.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,350.70 : 14,025.98 = 3,111.18 : x
2. Step 2: Convert to fraction form
   9,350.70/14,025.98 = 3,111.18/x
3. Step 3: Cross multiply
   9,350.70x = 14,025.98 × 3,111.18
4. Step 4: Simplify right side
   9,350.70x = 43,637,348.46
5. Step 5: Solve for x
   x = 43,637,348.46/9,350.70
6. Step 6: Final answer
   x = 4,666.75