Finding the Fourth Proportional to 105,377.54, 158,177.72 and 102,997.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,377.54 : 158,177.72 = 102,997.82 : x
2. Step 2: Convert to fraction form
   105,377.54/158,177.72 = 102,997.82/x
3. Step 3: Cross multiply
   105,377.54x = 158,177.72 × 102,997.82
4. Step 4: Simplify right side
   105,377.54x = 16,291,960,332.57
5. Step 5: Solve for x
   x = 16,291,960,332.57/105,377.54
6. Step 6: Final answer
   x = 154,605.62