Finding the Fourth Proportional to 219,426.72, 302,807.52 and 118,824

Step by Step Solution

1. Step 1: Write the proportion equation
   219,426.72 : 302,807.52 = 118,824 : x
2. Step 2: Convert to fraction form
   219,426.72/302,807.52 = 118,824/x
3. Step 3: Cross multiply
   219,426.72x = 302,807.52 × 118,824
4. Step 4: Simplify right side
   219,426.72x = 35,980,800,756.48
5. Step 5: Solve for x
   x = 35,980,800,756.48/219,426.72
6. Step 6: Final answer
   x = 163,976.39