Finding the Fourth Proportional to 2,782.86, 4,173.12 and 933.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782.86 : 4,173.12 = 933.52 : x
2. Step 2: Convert to fraction form
   2,782.86/4,173.12 = 933.52/x
3. Step 3: Cross multiply
   2,782.86x = 4,173.12 × 933.52
4. Step 4: Simplify right side
   2,782.86x = 3,895,690.98
5. Step 5: Solve for x
   x = 3,895,690.98/2,782.86
6. Step 6: Final answer
   x = 1,399.89