Finding the Fourth Proportional to 13,168.68, 19,752.81 and 3,307.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,168.68 : 19,752.81 = 3,307.96 : x
2. Step 2: Convert to fraction form
   13,168.68/19,752.81 = 3,307.96/x
3. Step 3: Cross multiply
   13,168.68x = 19,752.81 × 3,307.96
4. Step 4: Simplify right side
   13,168.68x = 65,341,425.15
5. Step 5: Solve for x
   x = 65,341,425.15/13,168.68
6. Step 6: Final answer
   x = 4,961.88