Finding the Fourth Proportional to 16,852.86, 23,264.82 and 9,778.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,852.86 : 23,264.82 = 9,778.05 : x
2. Step 2: Convert to fraction form
   16,852.86/23,264.82 = 9,778.05/x
3. Step 3: Cross multiply
   16,852.86x = 23,264.82 × 9,778.05
4. Step 4: Simplify right side
   16,852.86x = 227,484,573.20
5. Step 5: Solve for x
   x = 227,484,573.20/16,852.86
6. Step 6: Final answer
   x = 13,498.28