Finding the Fourth Proportional to 200,434.96, 300,391.32 and 111,684.88

Step by Step Solution

1. Step 1: Write the proportion equation
   200,434.96 : 300,391.32 = 111,684.88 : x
2. Step 2: Convert to fraction form
   200,434.96/300,391.32 = 111,684.88/x
3. Step 3: Cross multiply
   200,434.96x = 300,391.32 × 111,684.88
4. Step 4: Simplify right side
   200,434.96x = 33,549,168,527.24
5. Step 5: Solve for x
   x = 33,549,168,527.24/200,434.96
6. Step 6: Final answer
   x = 167,381.82