Finding the Fourth Proportional to 300,870.72, 415,206.14 and 164,903.58

Step by Step Solution

1. Step 1: Write the proportion equation
   300,870.72 : 415,206.14 = 164,903.58 : x
2. Step 2: Convert to fraction form
   300,870.72/415,206.14 = 164,903.58/x
3. Step 3: Cross multiply
   300,870.72x = 415,206.14 × 164,903.58
4. Step 4: Simplify right side
   300,870.72x = 68,468,978,099.46
5. Step 5: Solve for x
   x = 68,468,978,099.46/300,870.72
6. Step 6: Final answer
   x = 227,569.43