Finding the Fourth Proportional to 188,776.72, 260,453.22 and 107,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,776.72 : 260,453.22 = 107,091.50 : x
2. Step 2: Convert to fraction form
   188,776.72/260,453.22 = 107,091.50/x
3. Step 3: Cross multiply
   188,776.72x = 260,453.22 × 107,091.50
4. Step 4: Simplify right side
   188,776.72x = 27,892,326,009.63
5. Step 5: Solve for x
   x = 27,892,326,009.63/188,776.72
6. Step 6: Final answer
   x = 147,753.00