Finding the Fourth Proportional to 19,610.34, 27,061.89 and 10,657.68

Step by Step Solution

1. Step 1: Write the proportion equation
   19,610.34 : 27,061.89 = 10,657.68 : x
2. Step 2: Convert to fraction form
   19,610.34/27,061.89 = 10,657.68/x
3. Step 3: Cross multiply
   19,610.34x = 27,061.89 × 10,657.68
4. Step 4: Simplify right side
   19,610.34x = 288,416,963.82
5. Step 5: Solve for x
   x = 288,416,963.82/19,610.34
6. Step 6: Final answer
   x = 14,707.39