Finding the Fourth Proportional to 448,599.82, 672,936.18 and 133,055.82

Step by Step Solution

1. Step 1: Write the proportion equation
   448,599.82 : 672,936.18 = 133,055.82 : x
2. Step 2: Convert to fraction form
   448,599.82/672,936.18 = 133,055.82/x
3. Step 3: Cross multiply
   448,599.82x = 672,936.18 × 133,055.82
4. Step 4: Simplify right side
   448,599.82x = 89,538,071,872.89
5. Step 5: Solve for x
   x = 89,538,071,872.89/448,599.82
6. Step 6: Final answer
   x = 199,594.53