Finding the Fourth Proportional to 188,978.56, 260,791.13 and 104,095.42

Step by Step Solution

1. Step 1: Write the proportion equation
   188,978.56 : 260,791.13 = 104,095.42 : x
2. Step 2: Convert to fraction form
   188,978.56/260,791.13 = 104,095.42/x
3. Step 3: Cross multiply
   188,978.56x = 260,791.13 × 104,095.42
4. Step 4: Simplify right side
   188,978.56x = 27,147,162,209.62
5. Step 5: Solve for x
   x = 27,147,162,209.62/188,978.56
6. Step 6: Final answer
   x = 143,652.07