Finding the Fourth Proportional to 3,669.10, 5,061.69 and 2,175.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.10 : 5,061.69 = 2,175.86 : x
2. Step 2: Convert to fraction form
   3,669.10/5,061.69 = 2,175.86/x
3. Step 3: Cross multiply
   3,669.10x = 5,061.69 × 2,175.86
4. Step 4: Simplify right side
   3,669.10x = 11,013,541.46
5. Step 5: Solve for x
   x = 11,013,541.46/3,669.10
6. Step 6: Final answer
   x = 3,001.70