Finding the Fourth Proportional to 215,377.88, 323,066.89 and 96,910.82

Step by Step Solution

1. Step 1: Write the proportion equation
   215,377.88 : 323,066.89 = 96,910.82 : x
2. Step 2: Convert to fraction form
   215,377.88/323,066.89 = 96,910.82/x
3. Step 3: Cross multiply
   215,377.88x = 323,066.89 × 96,910.82
4. Step 4: Simplify right side
   215,377.88x = 31,308,678,153.56
5. Step 5: Solve for x
   x = 31,308,678,153.56/215,377.88
6. Step 6: Final answer
   x = 145,366.27