Finding the Fourth Proportional to 3,972.93, 5,930.78 and 3,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,972.93 : 5,930.78 = 3,684.50 : x
2. Step 2: Convert to fraction form
   3,972.93/5,930.78 = 3,684.50/x
3. Step 3: Cross multiply
   3,972.93x = 5,930.78 × 3,684.50
4. Step 4: Simplify right side
   3,972.93x = 21,851,933.07
5. Step 5: Solve for x
   x = 21,851,933.07/3,972.93
6. Step 6: Final answer
   x = 5,500.21