Finding the Fourth Proportional to 5,820.45, 8,736.17 and 3,874.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,820.45 : 8,736.17 = 3,874.02 : x
2. Step 2: Convert to fraction form
   5,820.45/8,736.17 = 3,874.02/x
3. Step 3: Cross multiply
   5,820.45x = 8,736.17 × 3,874.02
4. Step 4: Simplify right side
   5,820.45x = 33,844,097.30
5. Step 5: Solve for x
   x = 33,844,097.30/5,820.45
6. Step 6: Final answer
   x = 5,814.69