Finding the Fourth Proportional to 4,428.82, 6,111.72 and 2,439.32

Step by Step Solution

1. Step 1: Write the proportion equation
   4,428.82 : 6,111.72 = 2,439.32 : x
2. Step 2: Convert to fraction form
   4,428.82/6,111.72 = 2,439.32/x
3. Step 3: Cross multiply
   4,428.82x = 6,111.72 × 2,439.32
4. Step 4: Simplify right side
   4,428.82x = 14,908,440.83
5. Step 5: Solve for x
   x = 14,908,440.83/4,428.82
6. Step 6: Final answer
   x = 3,366.23