Finding the Fourth Proportional to 234,499.60, 351,663.24 and 80,581.94

Step by Step Solution

1. Step 1: Write the proportion equation
   234,499.60 : 351,663.24 = 80,581.94 : x
2. Step 2: Convert to fraction form
   234,499.60/351,663.24 = 80,581.94/x
3. Step 3: Cross multiply
   234,499.60x = 351,663.24 × 80,581.94
4. Step 4: Simplify right side
   234,499.60x = 28,337,706,105.89
5. Step 5: Solve for x
   x = 28,337,706,105.89/234,499.60
6. Step 6: Final answer
   x = 120,843.30