Finding the Fourth Proportional to 219,498.72, 302,908.24 and 118,896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   219,498.72 : 302,908.24 = 118,896.72 : x
2. Step 2: Convert to fraction form
   219,498.72/302,908.24 = 118,896.72/x
3. Step 3: Cross multiply
   219,498.72x = 302,908.24 × 118,896.72
4. Step 4: Simplify right side
   219,498.72x = 36,014,796,196.97
5. Step 5: Solve for x
   x = 36,014,796,196.97/219,498.72
6. Step 6: Final answer
   x = 164,077.48