Finding the Fourth Proportional to 9,590.13, 13,230.72 and 7,078.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,590.13 : 13,230.72 = 7,078.26 : x
2. Step 2: Convert to fraction form
   9,590.13/13,230.72 = 7,078.26/x
3. Step 3: Cross multiply
   9,590.13x = 13,230.72 × 7,078.26
4. Step 4: Simplify right side
   9,590.13x = 93,650,476.15
5. Step 5: Solve for x
   x = 93,650,476.15/9,590.13
6. Step 6: Final answer
   x = 9,765.30