Finding the Fourth Proportional to 8,279.12, 12,402.02 and 3,830.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,279.12 : 12,402.02 = 3,830.52 : x
2. Step 2: Convert to fraction form
   8,279.12/12,402.02 = 3,830.52/x
3. Step 3: Cross multiply
   8,279.12x = 12,402.02 × 3,830.52
4. Step 4: Simplify right side
   8,279.12x = 47,506,185.65
5. Step 5: Solve for x
   x = 47,506,185.65/8,279.12
6. Step 6: Final answer
   x = 5,738.07