Finding the Fourth Proportional to 9,434.90, 13,020.23 and 5,900.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,434.90 : 13,020.23 = 5,900.18 : x
2. Step 2: Convert to fraction form
   9,434.90/13,020.23 = 5,900.18/x
3. Step 3: Cross multiply
   9,434.90x = 13,020.23 × 5,900.18
4. Step 4: Simplify right side
   9,434.90x = 76,821,606.04
5. Step 5: Solve for x
   x = 76,821,606.04/9,434.90
6. Step 6: Final answer
   x = 8,142.29