Finding the Fourth Proportional to 14,128.82, 19,498.34 and 7,755.64

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.82 : 19,498.34 = 7,755.64 : x
2. Step 2: Convert to fraction form
   14,128.82/19,498.34 = 7,755.64/x
3. Step 3: Cross multiply
   14,128.82x = 19,498.34 × 7,755.64
4. Step 4: Simplify right side
   14,128.82x = 151,222,105.64
5. Step 5: Solve for x
   x = 151,222,105.64/14,128.82
6. Step 6: Final answer
   x = 10,703.10