Finding the Fourth Proportional to 12,673.85, 19,011.76 and 3,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.85 : 19,011.76 = 3,788.50 : x
2. Step 2: Convert to fraction form
   12,673.85/19,011.76 = 3,788.50/x
3. Step 3: Cross multiply
   12,673.85x = 19,011.76 × 3,788.50
4. Step 4: Simplify right side
   12,673.85x = 72,026,052.76
5. Step 5: Solve for x
   x = 72,026,052.76/12,673.85
6. Step 6: Final answer
   x = 5,683.04