Finding the Fourth Proportional to 13,913.82, 19,200.78 and 7,625.79

Step by Step Solution

1. Step 1: Write the proportion equation
   13,913.82 : 19,200.78 = 7,625.79 : x
2. Step 2: Convert to fraction form
   13,913.82/19,200.78 = 7,625.79/x
3. Step 3: Cross multiply
   13,913.82x = 19,200.78 × 7,625.79
4. Step 4: Simplify right side
   13,913.82x = 146,421,116.12
5. Step 5: Solve for x
   x = 146,421,116.12/13,913.82
6. Step 6: Final answer
   x = 10,523.43