Finding the Fourth Proportional to 188,719.27, 260,439.76 and 108,162.34

Step by Step Solution

1. Step 1: Write the proportion equation
   188,719.27 : 260,439.76 = 108,162.34 : x
2. Step 2: Convert to fraction form
   188,719.27/260,439.76 = 108,162.34/x
3. Step 3: Cross multiply
   188,719.27x = 260,439.76 × 108,162.34
4. Step 4: Simplify right side
   188,719.27x = 28,169,773,870.64
5. Step 5: Solve for x
   x = 28,169,773,870.64/188,719.27
6. Step 6: Final answer
   x = 149,268.14