Finding the Fourth Proportional to 13,321.54, 19,983.03 and 3,460.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,321.54 : 19,983.03 = 3,460.56 : x
2. Step 2: Convert to fraction form
   13,321.54/19,983.03 = 3,460.56/x
3. Step 3: Cross multiply
   13,321.54x = 19,983.03 × 3,460.56
4. Step 4: Simplify right side
   13,321.54x = 69,152,474.30
5. Step 5: Solve for x
   x = 69,152,474.30/13,321.54
6. Step 6: Final answer
   x = 5,191.03