Finding the Fourth Proportional to 300,772.19, 415,065.72 and 164,805.03

Step by Step Solution

1. Step 1: Write the proportion equation
   300,772.19 : 415,065.72 = 164,805.03 : x
2. Step 2: Convert to fraction form
   300,772.19/415,065.72 = 164,805.03/x
3. Step 3: Cross multiply
   300,772.19x = 415,065.72 × 164,805.03
4. Step 4: Simplify right side
   300,772.19x = 68,404,918,127.56
5. Step 5: Solve for x
   x = 68,404,918,127.56/300,772.19
6. Step 6: Final answer
   x = 227,431.00