Finding the Fourth Proportional to 3,642.17, 5,026.31 and 2,151.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.17 : 5,026.31 = 2,151.37 : x
2. Step 2: Convert to fraction form
   3,642.17/5,026.31 = 2,151.37/x
3. Step 3: Cross multiply
   3,642.17x = 5,026.31 × 2,151.37
4. Step 4: Simplify right side
   3,642.17x = 10,813,445.36
5. Step 5: Solve for x
   x = 10,813,445.36/3,642.17
6. Step 6: Final answer
   x = 2,968.95