Finding the Fourth Proportional to 9,922.21, 14,888.18 and 3,998.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,922.21 : 14,888.18 = 3,998.83 : x
2. Step 2: Convert to fraction form
   9,922.21/14,888.18 = 3,998.83/x
3. Step 3: Cross multiply
   9,922.21x = 14,888.18 × 3,998.83
4. Step 4: Simplify right side
   9,922.21x = 59,535,300.83
5. Step 5: Solve for x
   x = 59,535,300.83/9,922.21
6. Step 6: Final answer
   x = 6,000.21