Finding the Fourth Proportional to 8,123.84, 12,184.64 and 3,506.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.84 : 12,184.64 = 3,506.24 : x
2. Step 2: Convert to fraction form
   8,123.84/12,184.64 = 3,506.24/x
3. Step 3: Cross multiply
   8,123.84x = 12,184.64 × 3,506.24
4. Step 4: Simplify right side
   8,123.84x = 42,722,272.15
5. Step 5: Solve for x
   x = 42,722,272.15/8,123.84
6. Step 6: Final answer
   x = 5,258.88