Finding the Fourth Proportional to 3,646.89, 5,030.04 and 2,385.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,646.89 : 5,030.04 = 2,385.92 : x
2. Step 2: Convert to fraction form
   3,646.89/5,030.04 = 2,385.92/x
3. Step 3: Cross multiply
   3,646.89x = 5,030.04 × 2,385.92
4. Step 4: Simplify right side
   3,646.89x = 12,001,273.04
5. Step 5: Solve for x
   x = 12,001,273.04/3,646.89
6. Step 6: Final answer
   x = 3,290.82