Finding the Fourth Proportional to 3,288.42, 4,935.86 and 1,992.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,288.42 : 4,935.86 = 1,992.42 : x
2. Step 2: Convert to fraction form
   3,288.42/4,935.86 = 1,992.42/x
3. Step 3: Cross multiply
   3,288.42x = 4,935.86 × 1,992.42
4. Step 4: Simplify right side
   3,288.42x = 9,834,306.18
5. Step 5: Solve for x
   x = 9,834,306.18/3,288.42
6. Step 6: Final answer
   x = 2,990.59