Finding the Fourth Proportional to 3,931.14, 5,895.45 and 1,298.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931.14 : 5,895.45 = 1,298.15 : x
2. Step 2: Convert to fraction form
   3,931.14/5,895.45 = 1,298.15/x
3. Step 3: Cross multiply
   3,931.14x = 5,895.45 × 1,298.15
4. Step 4: Simplify right side
   3,931.14x = 7,653,148.94
5. Step 5: Solve for x
   x = 7,653,148.94/3,931.14
6. Step 6: Final answer
   x = 1,946.80