Finding the Fourth Proportional to 3,981.57, 5,971.58 and 3,784.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.57 : 5,971.58 = 3,784.01 : x
2. Step 2: Convert to fraction form
   3,981.57/5,971.58 = 3,784.01/x
3. Step 3: Cross multiply
   3,981.57x = 5,971.58 × 3,784.01
4. Step 4: Simplify right side
   3,981.57x = 22,596,488.58
5. Step 5: Solve for x
   x = 22,596,488.58/3,981.57
6. Step 6: Final answer
   x = 5,675.27