Finding the Fourth Proportional to 4,145.01, 6,215.69 and 2,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   4,145.01 : 6,215.69 = 2,196.76 : x
2. Step 2: Convert to fraction form
   4,145.01/6,215.69 = 2,196.76/x
3. Step 3: Cross multiply
   4,145.01x = 6,215.69 × 2,196.76
4. Step 4: Simplify right side
   4,145.01x = 13,654,368.18
5. Step 5: Solve for x
   x = 13,654,368.18/4,145.01
6. Step 6: Final answer
   x = 3,294.17