Finding the Fourth Proportional to 8,380.44, 12,572.72 and 2,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,380.44 : 12,572.72 = 2,536.72 : x
2. Step 2: Convert to fraction form
   8,380.44/12,572.72 = 2,536.72/x
3. Step 3: Cross multiply
   8,380.44x = 12,572.72 × 2,536.72
4. Step 4: Simplify right side
   8,380.44x = 31,893,470.28
5. Step 5: Solve for x
   x = 31,893,470.28/8,380.44
6. Step 6: Final answer
   x = 3,805.70