Finding the Fourth Proportional to 300,774.25, 415,068.56 and 164,807.09

Step by Step Solution

1. Step 1: Write the proportion equation
   300,774.25 : 415,068.56 = 164,807.09 : x
2. Step 2: Convert to fraction form
   300,774.25/415,068.56 = 164,807.09/x
3. Step 3: Cross multiply
   300,774.25x = 415,068.56 × 164,807.09
4. Step 4: Simplify right side
   300,774.25x = 68,406,242,973.78
5. Step 5: Solve for x
   x = 68,406,242,973.78/300,774.25
6. Step 6: Final answer
   x = 227,433.84