Finding the Fourth Proportional to 175,443.17, 262,946.71 and 80,572.73

Step by Step Solution

1. Step 1: Write the proportion equation
   175,443.17 : 262,946.71 = 80,572.73 : x
2. Step 2: Convert to fraction form
   175,443.17/262,946.71 = 80,572.73/x
3. Step 3: Cross multiply
   175,443.17x = 262,946.71 × 80,572.73
4. Step 4: Simplify right side
   175,443.17x = 21,186,332,601.98
5. Step 5: Solve for x
   x = 21,186,332,601.98/175,443.17
6. Step 6: Final answer
   x = 120,758.95