Finding the Fourth Proportional to 188,494.84, 260,123.16 and 103,612.42

Step by Step Solution

1. Step 1: Write the proportion equation
   188,494.84 : 260,123.16 = 103,612.42 : x
2. Step 2: Convert to fraction form
   188,494.84/260,123.16 = 103,612.42/x
3. Step 3: Cross multiply
   188,494.84x = 260,123.16 × 103,612.42
4. Step 4: Simplify right side
   188,494.84x = 26,951,990,105.65
5. Step 5: Solve for x
   x = 26,951,990,105.65/188,494.84
6. Step 6: Final answer
   x = 142,985.29