Finding the Fourth Proportional to 3,923.98, 5,886.34 and 1,002.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,923.98 : 5,886.34 = 1,002.30 : x
2. Step 2: Convert to fraction form
   3,923.98/5,886.34 = 1,002.30/x
3. Step 3: Cross multiply
   3,923.98x = 5,886.34 × 1,002.30
4. Step 4: Simplify right side
   3,923.98x = 5,899,878.58
5. Step 5: Solve for x
   x = 5,899,878.58/3,923.98
6. Step 6: Final answer
   x = 1,503.54