Finding the Fourth Proportional to 9,756.79, 14,622.41 and 3,917.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,756.79 : 14,622.41 = 3,917.50 : x
2. Step 2: Convert to fraction form
   9,756.79/14,622.41 = 3,917.50/x
3. Step 3: Cross multiply
   9,756.79x = 14,622.41 × 3,917.50
4. Step 4: Simplify right side
   9,756.79x = 57,283,291.18
5. Step 5: Solve for x
   x = 57,283,291.18/9,756.79
6. Step 6: Final answer
   x = 5,871.12