Finding the Fourth Proportional to 2,380.32, 3,571.76 and 1,012

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.32 : 3,571.76 = 1,012 : x
2. Step 2: Convert to fraction form
   2,380.32/3,571.76 = 1,012/x
3. Step 3: Cross multiply
   2,380.32x = 3,571.76 × 1,012
4. Step 4: Simplify right side
   2,380.32x = 3,614,621.12
5. Step 5: Solve for x
   x = 3,614,621.12/2,380.32
6. Step 6: Final answer
   x = 1,518.54