Finding the Fourth Proportional to 10,308.42, 15,461.86 and 3,288.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308.42 : 15,461.86 = 3,288.15 : x
2. Step 2: Convert to fraction form
   10,308.42/15,461.86 = 3,288.15/x
3. Step 3: Cross multiply
   10,308.42x = 15,461.86 × 3,288.15
4. Step 4: Simplify right side
   10,308.42x = 50,840,906.74
5. Step 5: Solve for x
   x = 50,840,906.74/10,308.42
6. Step 6: Final answer
   x = 4,931.98