Finding the Fourth Proportional to 9,755.68, 14,631.72 and 3,186.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.68 : 14,631.72 = 3,186.76 : x
2. Step 2: Convert to fraction form
   9,755.68/14,631.72 = 3,186.76/x
3. Step 3: Cross multiply
   9,755.68x = 14,631.72 × 3,186.76
4. Step 4: Simplify right side
   9,755.68x = 46,627,780.03
5. Step 5: Solve for x
   x = 46,627,780.03/9,755.68
6. Step 6: Final answer
   x = 4,779.55