Finding the Fourth Proportional to 3,375, 5,063.40 and 1,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,375 : 5,063.40 = 1,066.50 : x
2. Step 2: Convert to fraction form
   3,375/5,063.40 = 1,066.50/x
3. Step 3: Cross multiply
   3,375x = 5,063.40 × 1,066.50
4. Step 4: Simplify right side
   3,375x = 5,400,116.10
5. Step 5: Solve for x
   x = 5,400,116.10/3,375
6. Step 6: Final answer
   x = 1,600.03