Finding the Fourth Proportional to 10,397.54, 15,581.72 and 6,927.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,397.54 : 15,581.72 = 6,927.50 : x
2. Step 2: Convert to fraction form
   10,397.54/15,581.72 = 6,927.50/x
3. Step 3: Cross multiply
   10,397.54x = 15,581.72 × 6,927.50
4. Step 4: Simplify right side
   10,397.54x = 107,942,365.30
5. Step 5: Solve for x
   x = 107,942,365.30/10,397.54
6. Step 6: Final answer
   x = 10,381.53