Finding the Fourth Proportional to 3,642.42, 5,026.01 and 2,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.42 : 5,026.01 = 2,109.30 : x
2. Step 2: Convert to fraction form
   3,642.42/5,026.01 = 2,109.30/x
3. Step 3: Cross multiply
   3,642.42x = 5,026.01 × 2,109.30
4. Step 4: Simplify right side
   3,642.42x = 10,601,352.35
5. Step 5: Solve for x
   x = 10,601,352.35/3,642.42
6. Step 6: Final answer
   x = 2,910.52