Finding the Fourth Proportional to 9,888.15, 14,822.37 and 4,942.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,888.15 : 14,822.37 = 4,942.71 : x
2. Step 2: Convert to fraction form
   9,888.15/14,822.37 = 4,942.71/x
3. Step 3: Cross multiply
   9,888.15x = 14,822.37 × 4,942.71
4. Step 4: Simplify right side
   9,888.15x = 73,262,676.42
5. Step 5: Solve for x
   x = 73,262,676.42/9,888.15
6. Step 6: Final answer
   x = 7,409.14