Finding the Fourth Proportional to 3,650.22, 5,036.72 and 2,157.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,650.22 : 5,036.72 = 2,157.93 : x
2. Step 2: Convert to fraction form
   3,650.22/5,036.72 = 2,157.93/x
3. Step 3: Cross multiply
   3,650.22x = 5,036.72 × 2,157.93
4. Step 4: Simplify right side
   3,650.22x = 10,868,878.40
5. Step 5: Solve for x
   x = 10,868,878.40/3,650.22
6. Step 6: Final answer
   x = 2,977.60