Finding the Fourth Proportional to 3,729.83, 5,147.34 and 2,157.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,729.83 : 5,147.34 = 2,157.62 : x
2. Step 2: Convert to fraction form
   3,729.83/5,147.34 = 2,157.62/x
3. Step 3: Cross multiply
   3,729.83x = 5,147.34 × 2,157.62
4. Step 4: Simplify right side
   3,729.83x = 11,106,003.73
5. Step 5: Solve for x
   x = 11,106,003.73/3,729.83
6. Step 6: Final answer
   x = 2,977.62