Finding the Fourth Proportional to 6,087.98, 9,146.54 and 3,900.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,087.98 : 9,146.54 = 3,900.98 : x
2. Step 2: Convert to fraction form
   6,087.98/9,146.54 = 3,900.98/x
3. Step 3: Cross multiply
   6,087.98x = 9,146.54 × 3,900.98
4. Step 4: Simplify right side
   6,087.98x = 35,680,502.23
5. Step 5: Solve for x
   x = 35,680,502.23/6,087.98
6. Step 6: Final answer
   x = 5,860.81