Finding the Fourth Proportional to 2,933.80, 4,400.69 and 987.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.80 : 4,400.69 = 987.37 : x
2. Step 2: Convert to fraction form
   2,933.80/4,400.69 = 987.37/x
3. Step 3: Cross multiply
   2,933.80x = 4,400.69 × 987.37
4. Step 4: Simplify right side
   2,933.80x = 4,345,109.29
5. Step 5: Solve for x
   x = 4,345,109.29/2,933.80
6. Step 6: Final answer
   x = 1,481.05