Finding the Fourth Proportional to 9,921.94, 14,872.52 and 3,345.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,921.94 : 14,872.52 = 3,345.84 : x
2. Step 2: Convert to fraction form
   9,921.94/14,872.52 = 3,345.84/x
3. Step 3: Cross multiply
   9,921.94x = 14,872.52 × 3,345.84
4. Step 4: Simplify right side
   9,921.94x = 49,761,072.32
5. Step 5: Solve for x
   x = 49,761,072.32/9,921.94
6. Step 6: Final answer
   x = 5,015.26