Finding the Fourth Proportional to 4,659.30, 6,427.89 and 3,085.38

Step by Step Solution

1. Step 1: Write the proportion equation
   4,659.30 : 6,427.89 = 3,085.38 : x
2. Step 2: Convert to fraction form
   4,659.30/6,427.89 = 3,085.38/x
3. Step 3: Cross multiply
   4,659.30x = 6,427.89 × 3,085.38
4. Step 4: Simplify right side
   4,659.30x = 19,832,483.25
5. Step 5: Solve for x
   x = 19,832,483.25/4,659.30
6. Step 6: Final answer
   x = 4,256.54