Finding the Fourth Proportional to 3,538.76, 5,304.68 and 1,979.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.76 : 5,304.68 = 1,979.52 : x
2. Step 2: Convert to fraction form
   3,538.76/5,304.68 = 1,979.52/x
3. Step 3: Cross multiply
   3,538.76x = 5,304.68 × 1,979.52
4. Step 4: Simplify right side
   3,538.76x = 10,500,720.15
5. Step 5: Solve for x
   x = 10,500,720.15/3,538.76
6. Step 6: Final answer
   x = 2,967.34