Finding the Fourth Proportional to 188,487.46, 260,116.41 and 103,612.42

Step by Step Solution

1. Step 1: Write the proportion equation
   188,487.46 : 260,116.41 = 103,612.42 : x
2. Step 2: Convert to fraction form
   188,487.46/260,116.41 = 103,612.42/x
3. Step 3: Cross multiply
   188,487.46x = 260,116.41 × 103,612.42
4. Step 4: Simplify right side
   188,487.46x = 26,951,290,721.81
5. Step 5: Solve for x
   x = 26,951,290,721.81/188,487.46
6. Step 6: Final answer
   x = 142,987.18