Finding the Fourth Proportional to 300,638.04, 414,875.52 and 164,670.72

Step by Step Solution

1. Step 1: Write the proportion equation
   300,638.04 : 414,875.52 = 164,670.72 : x
2. Step 2: Convert to fraction form
   300,638.04/414,875.52 = 164,670.72/x
3. Step 3: Cross multiply
   300,638.04x = 414,875.52 × 164,670.72
4. Step 4: Simplify right side
   300,638.04x = 68,317,850,588.77
5. Step 5: Solve for x
   x = 68,317,850,588.77/300,638.04
6. Step 6: Final answer
   x = 227,242.87