Finding the Fourth Proportional to 3,758.22, 5,180.59 and 2,812.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.22 : 5,180.59 = 2,812.58 : x
2. Step 2: Convert to fraction form
   3,758.22/5,180.59 = 2,812.58/x
3. Step 3: Cross multiply
   3,758.22x = 5,180.59 × 2,812.58
4. Step 4: Simplify right side
   3,758.22x = 14,570,820.86
5. Step 5: Solve for x
   x = 14,570,820.86/3,758.22
6. Step 6: Final answer
   x = 3,877.05