Finding the Fourth Proportional to 300,534.71, 414,738.56 and 162,715.10

Step by Step Solution

1. Step 1: Write the proportion equation
   300,534.71 : 414,738.56 = 162,715.10 : x
2. Step 2: Convert to fraction form
   300,534.71/414,738.56 = 162,715.10/x
3. Step 3: Cross multiply
   300,534.71x = 414,738.56 × 162,715.10
4. Step 4: Simplify right side
   300,534.71x = 67,484,224,597.35
5. Step 5: Solve for x
   x = 67,484,224,597.35/300,534.71
6. Step 6: Final answer
   x = 224,547.19