Finding the Fourth Proportional to 7,854.72, 11,783.52 and 2,590.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,854.72 : 11,783.52 = 2,590.04 : x
2. Step 2: Convert to fraction form
   7,854.72/11,783.52 = 2,590.04/x
3. Step 3: Cross multiply
   7,854.72x = 11,783.52 × 2,590.04
4. Step 4: Simplify right side
   7,854.72x = 30,519,788.14
5. Step 5: Solve for x
   x = 30,519,788.14/7,854.72
6. Step 6: Final answer
   x = 3,885.53