Finding the Fourth Proportional to 3,898.83, 5,820.45 and 3,762.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898.83 : 5,820.45 = 3,762.12 : x
2. Step 2: Convert to fraction form
   3,898.83/5,820.45 = 3,762.12/x
3. Step 3: Cross multiply
   3,898.83x = 5,820.45 × 3,762.12
4. Step 4: Simplify right side
   3,898.83x = 21,897,231.35
5. Step 5: Solve for x
   x = 21,897,231.35/3,898.83
6. Step 6: Final answer
   x = 5,616.36