Finding the Fourth Proportional to 9,755.76, 14,637.72 and 3,911.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.76 : 14,637.72 = 3,911.76 : x
2. Step 2: Convert to fraction form
   9,755.76/14,637.72 = 3,911.76/x
3. Step 3: Cross multiply
   9,755.76x = 14,637.72 × 3,911.76
4. Step 4: Simplify right side
   9,755.76x = 57,259,247.59
5. Step 5: Solve for x
   x = 57,259,247.59/9,755.76
6. Step 6: Final answer
   x = 5,869.28