Finding the Fourth Proportional to 3,401.80, 5,102.75 and 1,061.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.80 : 5,102.75 = 1,061.71 : x
2. Step 2: Convert to fraction form
   3,401.80/5,102.75 = 1,061.71/x
3. Step 3: Cross multiply
   3,401.80x = 5,102.75 × 1,061.71
4. Step 4: Simplify right side
   3,401.80x = 5,417,624.63
5. Step 5: Solve for x
   x = 5,417,624.63/3,401.80
6. Step 6: Final answer
   x = 1,592.58