Finding the Fourth Proportional to 3,645.01, 5,029.32 and 2,151.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.01 : 5,029.32 = 2,151.91 : x
2. Step 2: Convert to fraction form
   3,645.01/5,029.32 = 2,151.91/x
3. Step 3: Cross multiply
   3,645.01x = 5,029.32 × 2,151.91
4. Step 4: Simplify right side
   3,645.01x = 10,822,644.00
5. Step 5: Solve for x
   x = 10,822,644.00/3,645.01
6. Step 6: Final answer
   x = 2,969.17