Finding the Fourth Proportional to 188,778.72, 260,455.98 and 107,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,778.72 : 260,455.98 = 107,093.50 : x
2. Step 2: Convert to fraction form
   188,778.72/260,455.98 = 107,093.50/x
3. Step 3: Cross multiply
   188,778.72x = 260,455.98 × 107,093.50
4. Step 4: Simplify right side
   188,778.72x = 27,893,142,494.13
5. Step 5: Solve for x
   x = 27,893,142,494.13/188,778.72
6. Step 6: Final answer
   x = 147,755.76