Finding the Fourth Proportional to 13,250.15, 19,875.02 and 3,389.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,250.15 : 19,875.02 = 3,389.34 : x
2. Step 2: Convert to fraction form
   13,250.15/19,875.02 = 3,389.34/x
3. Step 3: Cross multiply
   13,250.15x = 19,875.02 × 3,389.34
4. Step 4: Simplify right side
   13,250.15x = 67,363,183.34
5. Step 5: Solve for x
   x = 67,363,183.34/13,250.15
6. Step 6: Final answer
   x = 5,083.96