Finding the Fourth Proportional to 12,549.82, 18,827.62 and 3,784.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,549.82 : 18,827.62 = 3,784.81 : x
2. Step 2: Convert to fraction form
   12,549.82/18,827.62 = 3,784.81/x
3. Step 3: Cross multiply
   12,549.82x = 18,827.62 × 3,784.81
4. Step 4: Simplify right side
   12,549.82x = 71,258,964.45
5. Step 5: Solve for x
   x = 71,258,964.45/12,549.82
6. Step 6: Final answer
   x = 5,678.09