Finding the Fourth Proportional to 175,293.05, 262,849.50 and 80,441.57

Step by Step Solution

1. Step 1: Write the proportion equation
   175,293.05 : 262,849.50 = 80,441.57 : x
2. Step 2: Convert to fraction form
   175,293.05/262,849.50 = 80,441.57/x
3. Step 3: Cross multiply
   175,293.05x = 262,849.50 × 80,441.57
4. Step 4: Simplify right side
   175,293.05x = 21,144,026,453.72
5. Step 5: Solve for x
   x = 21,144,026,453.72/175,293.05
6. Step 6: Final answer
   x = 120,621.02