Finding the Fourth Proportional to 9,748.72, 14,620.98 and 3,085.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,748.72 : 14,620.98 = 3,085.75 : x
2. Step 2: Convert to fraction form
   9,748.72/14,620.98 = 3,085.75/x
3. Step 3: Cross multiply
   9,748.72x = 14,620.98 × 3,085.75
4. Step 4: Simplify right side
   9,748.72x = 45,116,689.04
5. Step 5: Solve for x
   x = 45,116,689.04/9,748.72
6. Step 6: Final answer
   x = 4,627.96