Finding the Fourth Proportional to 3,886.74, 5,825.23 and 3,061.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.74 : 5,825.23 = 3,061.75 : x
2. Step 2: Convert to fraction form
   3,886.74/5,825.23 = 3,061.75/x
3. Step 3: Cross multiply
   3,886.74x = 5,825.23 × 3,061.75
4. Step 4: Simplify right side
   3,886.74x = 17,835,397.95
5. Step 5: Solve for x
   x = 17,835,397.95/3,886.74
6. Step 6: Final answer
   x = 4,588.78