Finding the Fourth Proportional to 9,023.38, 12,452.06 and 4,990.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,023.38 : 12,452.06 = 4,990.18 : x
2. Step 2: Convert to fraction form
   9,023.38/12,452.06 = 4,990.18/x
3. Step 3: Cross multiply
   9,023.38x = 12,452.06 × 4,990.18
4. Step 4: Simplify right side
   9,023.38x = 62,138,020.77
5. Step 5: Solve for x
   x = 62,138,020.77/9,023.38
6. Step 6: Final answer
   x = 6,886.34