Finding the Fourth Proportional to 188,493.72, 260,108.06 and 103,616.28

Step by Step Solution

1. Step 1: Write the proportion equation
   188,493.72 : 260,108.06 = 103,616.28 : x
2. Step 2: Convert to fraction form
   188,493.72/260,108.06 = 103,616.28/x
3. Step 3: Cross multiply
   188,493.72x = 260,108.06 × 103,616.28
4. Step 4: Simplify right side
   188,493.72x = 26,951,429,575.22
5. Step 5: Solve for x
   x = 26,951,429,575.22/188,493.72
6. Step 6: Final answer
   x = 142,983.17