Finding the Fourth Proportional to 3,981.42, 5,970.42 and 1,384.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.42 : 5,970.42 = 1,384.56 : x
2. Step 2: Convert to fraction form
   3,981.42/5,970.42 = 1,384.56/x
3. Step 3: Cross multiply
   3,981.42x = 5,970.42 × 1,384.56
4. Step 4: Simplify right side
   3,981.42x = 8,266,404.72
5. Step 5: Solve for x
   x = 8,266,404.72/3,981.42
6. Step 6: Final answer
   x = 2,076.25