Finding the Fourth Proportional to 188,562.24, 260,209.12 and 103,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   188,562.24 : 260,209.12 = 103,678.72 : x
2. Step 2: Convert to fraction form
   188,562.24/260,209.12 = 103,678.72/x
3. Step 3: Cross multiply
   188,562.24x = 260,209.12 × 103,678.72
4. Step 4: Simplify right side
   188,562.24x = 26,978,148,493.93
5. Step 5: Solve for x
   x = 26,978,148,493.93/188,562.24
6. Step 6: Final answer
   x = 143,072.91