Finding the Fourth Proportional to 3,419.72, 5,125.54 and 1,959.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,419.72 : 5,125.54 = 1,959.88 : x
2. Step 2: Convert to fraction form
   3,419.72/5,125.54 = 1,959.88/x
3. Step 3: Cross multiply
   3,419.72x = 5,125.54 × 1,959.88
4. Step 4: Simplify right side
   3,419.72x = 10,045,443.34
5. Step 5: Solve for x
   x = 10,045,443.34/3,419.72
6. Step 6: Final answer
   x = 2,937.50