Finding the Fourth Proportional to 3,288.69, 4,931.82 and 1,314.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,288.69 : 4,931.82 = 1,314.77 : x
2. Step 2: Convert to fraction form
   3,288.69/4,931.82 = 1,314.77/x
3. Step 3: Cross multiply
   3,288.69x = 4,931.82 × 1,314.77
4. Step 4: Simplify right side
   3,288.69x = 6,484,208.98
5. Step 5: Solve for x
   x = 6,484,208.98/3,288.69
6. Step 6: Final answer
   x = 1,971.67