Finding the Fourth Proportional to 12,683.48, 19,026.05 and 3,323.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,683.48 : 19,026.05 = 3,323.72 : x
2. Step 2: Convert to fraction form
   12,683.48/19,026.05 = 3,323.72/x
3. Step 3: Cross multiply
   12,683.48x = 19,026.05 × 3,323.72
4. Step 4: Simplify right side
   12,683.48x = 63,237,293.85
5. Step 5: Solve for x
   x = 63,237,293.85/12,683.48
6. Step 6: Final answer
   x = 4,985.80