Finding the Fourth Proportional to 203,514.84, 280,606.41 and 131,868.72

Step by Step Solution

1. Step 1: Write the proportion equation
   203,514.84 : 280,606.41 = 131,868.72 : x
2. Step 2: Convert to fraction form
   203,514.84/280,606.41 = 131,868.72/x
3. Step 3: Cross multiply
   203,514.84x = 280,606.41 × 131,868.72
4. Step 4: Simplify right side
   203,514.84x = 37,003,208,110.50
5. Step 5: Solve for x
   x = 37,003,208,110.50/203,514.84
6. Step 6: Final answer
   x = 181,820.69