Finding the Fourth Proportional to 219,456.47, 302,874.58 and 123,969.32

Step by Step Solution

1. Step 1: Write the proportion equation
   219,456.47 : 302,874.58 = 123,969.32 : x
2. Step 2: Convert to fraction form
   219,456.47/302,874.58 = 123,969.32/x
3. Step 3: Cross multiply
   219,456.47x = 302,874.58 × 123,969.32
4. Step 4: Simplify right side
   219,456.47x = 37,547,155,727.89
5. Step 5: Solve for x
   x = 37,547,155,727.89/219,456.47
6. Step 6: Final answer
   x = 171,091.59