Finding the Fourth Proportional to 3,962.64, 5,933.01 and 2,985.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,962.64 : 5,933.01 = 2,985.78 : x
2. Step 2: Convert to fraction form
   3,962.64/5,933.01 = 2,985.78/x
3. Step 3: Cross multiply
   3,962.64x = 5,933.01 × 2,985.78
4. Step 4: Simplify right side
   3,962.64x = 17,714,662.60
5. Step 5: Solve for x
   x = 17,714,662.60/3,962.64
6. Step 6: Final answer
   x = 4,470.42