Finding the Fourth Proportional to 448,544.01, 672,945.89 and 133,008.51

Step by Step Solution

1. Step 1: Write the proportion equation
   448,544.01 : 672,945.89 = 133,008.51 : x
2. Step 2: Convert to fraction form
   448,544.01/672,945.89 = 133,008.51/x
3. Step 3: Cross multiply
   448,544.01x = 672,945.89 × 133,008.51
4. Step 4: Simplify right side
   448,544.01x = 89,507,530,139.52
5. Step 5: Solve for x
   x = 89,507,530,139.52/448,544.01
6. Step 6: Final answer
   x = 199,551.28