Finding the Fourth Proportional to 4,677.98, 7,019.92 and 1,904.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,677.98 : 7,019.92 = 1,904.72 : x
2. Step 2: Convert to fraction form
   4,677.98/7,019.92 = 1,904.72/x
3. Step 3: Cross multiply
   4,677.98x = 7,019.92 × 1,904.72
4. Step 4: Simplify right side
   4,677.98x = 13,370,982.02
5. Step 5: Solve for x
   x = 13,370,982.02/4,677.98
6. Step 6: Final answer
   x = 2,858.28