Finding the Fourth Proportional to 13,248.83, 19,871.12 and 3,387.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,248.83 : 19,871.12 = 3,387.59 : x
2. Step 2: Convert to fraction form
   13,248.83/19,871.12 = 3,387.59/x
3. Step 3: Cross multiply
   13,248.83x = 19,871.12 × 3,387.59
4. Step 4: Simplify right side
   13,248.83x = 67,315,191.03
5. Step 5: Solve for x
   x = 67,315,191.03/13,248.83
6. Step 6: Final answer
   x = 5,080.84