Finding the Fourth Proportional to 300,538.32, 414,747.98 and 164,570.10

Step by Step Solution

1. Step 1: Write the proportion equation
   300,538.32 : 414,747.98 = 164,570.10 : x
2. Step 2: Convert to fraction form
   300,538.32/414,747.98 = 164,570.10/x
3. Step 3: Cross multiply
   300,538.32x = 414,747.98 × 164,570.10
4. Step 4: Simplify right side
   300,538.32x = 68,255,116,543.40
5. Step 5: Solve for x
   x = 68,255,116,543.40/300,538.32
6. Step 6: Final answer
   x = 227,109.53