Finding the Fourth Proportional to 3,642.33, 5,026.26 and 2,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.33 : 5,026.26 = 2,150.72 : x
2. Step 2: Convert to fraction form
   3,642.33/5,026.26 = 2,150.72/x
3. Step 3: Cross multiply
   3,642.33x = 5,026.26 × 2,150.72
4. Step 4: Simplify right side
   3,642.33x = 10,810,095.85
5. Step 5: Solve for x
   x = 10,810,095.85/3,642.33
6. Step 6: Final answer
   x = 2,967.91