Finding the Fourth Proportional to 4,978.33, 7,468.30 and 1,859.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.33 : 7,468.30 = 1,859.42 : x
2. Step 2: Convert to fraction form
   4,978.33/7,468.30 = 1,859.42/x
3. Step 3: Cross multiply
   4,978.33x = 7,468.30 × 1,859.42
4. Step 4: Simplify right side
   4,978.33x = 13,886,727.38
5. Step 5: Solve for x
   x = 13,886,727.38/4,978.33
6. Step 6: Final answer
   x = 2,789.44