Finding the Fourth Proportional to 3,886.86, 5,825.42 and 3,061.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.86 : 5,825.42 = 3,061.88 : x
2. Step 2: Convert to fraction form
   3,886.86/5,825.42 = 3,061.88/x
3. Step 3: Cross multiply
   3,886.86x = 5,825.42 × 3,061.88
4. Step 4: Simplify right side
   3,886.86x = 17,836,725.88
5. Step 5: Solve for x
   x = 17,836,725.88/3,886.86
6. Step 6: Final answer
   x = 4,588.98