Finding the Fourth Proportional to 219,067.32, 302,310.72 and 123,605.04

Step by Step Solution

1. Step 1: Write the proportion equation
   219,067.32 : 302,310.72 = 123,605.04 : x
2. Step 2: Convert to fraction form
   219,067.32/302,310.72 = 123,605.04/x
3. Step 3: Cross multiply
   219,067.32x = 302,310.72 × 123,605.04
4. Step 4: Simplify right side
   219,067.32x = 37,367,128,638.03
5. Step 5: Solve for x
   x = 37,367,128,638.03/219,067.32
6. Step 6: Final answer
   x = 170,573.72