Finding the Fourth Proportional to 300,603.34, 414,840.05 and 164,643.02

Step by Step Solution

1. Step 1: Write the proportion equation
   300,603.34 : 414,840.05 = 164,643.02 : x
2. Step 2: Convert to fraction form
   300,603.34/414,840.05 = 164,643.02/x
3. Step 3: Cross multiply
   300,603.34x = 414,840.05 × 164,643.02
4. Step 4: Simplify right side
   300,603.34x = 68,300,518,648.95
5. Step 5: Solve for x
   x = 68,300,518,648.95/300,603.34
6. Step 6: Final answer
   x = 227,211.44