Finding the Fourth Proportional to 12,765.06, 17,613.15 and 7,458.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,765.06 : 17,613.15 = 7,458.84 : x
2. Step 2: Convert to fraction form
   12,765.06/17,613.15 = 7,458.84/x
3. Step 3: Cross multiply
   12,765.06x = 17,613.15 × 7,458.84
4. Step 4: Simplify right side
   12,765.06x = 131,373,667.75
5. Step 5: Solve for x
   x = 131,373,667.75/12,765.06
6. Step 6: Final answer
   x = 10,291.66