Finding the Fourth Proportional to 19,608.78, 27,060.52 and 10,656.86

Step by Step Solution

1. Step 1: Write the proportion equation
   19,608.78 : 27,060.52 = 10,656.86 : x
2. Step 2: Convert to fraction form
   19,608.78/27,060.52 = 10,656.86/x
3. Step 3: Cross multiply
   19,608.78x = 27,060.52 × 10,656.86
4. Step 4: Simplify right side
   19,608.78x = 288,380,267.46
5. Step 5: Solve for x
   x = 288,380,267.46/19,608.78
6. Step 6: Final answer
   x = 14,706.69