Finding the Fourth Proportional to 13,663.41, 18,855.86 and 7,695.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,663.41 : 18,855.86 = 7,695.32 : x
2. Step 2: Convert to fraction form
   13,663.41/18,855.86 = 7,695.32/x
3. Step 3: Cross multiply
   13,663.41x = 18,855.86 × 7,695.32
4. Step 4: Simplify right side
   13,663.41x = 145,101,743.82
5. Step 5: Solve for x
   x = 145,101,743.82/13,663.41
6. Step 6: Final answer
   x = 10,619.73