Finding the Fourth Proportional to 188,978.29, 260,790.05 and 104,095.35

Step by Step Solution

1. Step 1: Write the proportion equation
   188,978.29 : 260,790.05 = 104,095.35 : x
2. Step 2: Convert to fraction form
   188,978.29/260,790.05 = 104,095.35/x
3. Step 3: Cross multiply
   188,978.29x = 260,790.05 × 104,095.35
4. Step 4: Simplify right side
   188,978.29x = 27,147,031,531.27
5. Step 5: Solve for x
   x = 27,147,031,531.27/188,978.29
6. Step 6: Final answer
   x = 143,651.59