Finding the Fourth Proportional to 2,100.52, 3,152.46 and 946.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.52 : 3,152.46 = 946.36 : x
2. Step 2: Convert to fraction form
   2,100.52/3,152.46 = 946.36/x
3. Step 3: Cross multiply
   2,100.52x = 3,152.46 × 946.36
4. Step 4: Simplify right side
   2,100.52x = 2,983,362.05
5. Step 5: Solve for x
   x = 2,983,362.05/2,100.52
6. Step 6: Final answer
   x = 1,420.30