Finding the Fourth Proportional to 2,933.88, 4,397.76 and 985.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.88 : 4,397.76 = 985.56 : x
2. Step 2: Convert to fraction form
   2,933.88/4,397.76 = 985.56/x
3. Step 3: Cross multiply
   2,933.88x = 4,397.76 × 985.56
4. Step 4: Simplify right side
   2,933.88x = 4,334,256.35
5. Step 5: Solve for x
   x = 4,334,256.35/2,933.88
6. Step 6: Final answer
   x = 1,477.31