Finding the Fourth Proportional to 448,519.02, 672,908.52 and 132,983.52

Step by Step Solution

1. Step 1: Write the proportion equation
   448,519.02 : 672,908.52 = 132,983.52 : x
2. Step 2: Convert to fraction form
   448,519.02/672,908.52 = 132,983.52/x
3. Step 3: Cross multiply
   448,519.02x = 672,908.52 × 132,983.52
4. Step 4: Simplify right side
   448,519.02x = 89,485,743,627.59
5. Step 5: Solve for x
   x = 89,485,743,627.59/448,519.02
6. Step 6: Final answer
   x = 199,513.82