Finding the Fourth Proportional to 9,921.12, 14,881.72 and 3,347.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,921.12 : 14,881.72 = 3,347.34 : x
2. Step 2: Convert to fraction form
   9,921.12/14,881.72 = 3,347.34/x
3. Step 3: Cross multiply
   9,921.12x = 14,881.72 × 3,347.34
4. Step 4: Simplify right side
   9,921.12x = 49,814,176.62
5. Step 5: Solve for x
   x = 49,814,176.62/9,921.12
6. Step 6: Final answer
   x = 5,021.02