Finding the Fourth Proportional to 9,659.32, 14,488.71 and 3,085.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,659.32 : 14,488.71 = 3,085.90 : x
2. Step 2: Convert to fraction form
   9,659.32/14,488.71 = 3,085.90/x
3. Step 3: Cross multiply
   9,659.32x = 14,488.71 × 3,085.90
4. Step 4: Simplify right side
   9,659.32x = 44,710,710.19
5. Step 5: Solve for x
   x = 44,710,710.19/9,659.32
6. Step 6: Final answer
   x = 4,628.76