Finding the Fourth Proportional to 2,492.78, 3,739.43 and 933.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.78 : 3,739.43 = 933.53 : x
2. Step 2: Convert to fraction form
   2,492.78/3,739.43 = 933.53/x
3. Step 3: Cross multiply
   2,492.78x = 3,739.43 × 933.53
4. Step 4: Simplify right side
   2,492.78x = 3,490,853.72
5. Step 5: Solve for x
   x = 3,490,853.72/2,492.78
6. Step 6: Final answer
   x = 1,400.39