Finding the Fourth Proportional to 345,978.27, 518,811.57 and 146,195.82

Step by Step Solution

1. Step 1: Write the proportion equation
   345,978.27 : 518,811.57 = 146,195.82 : x
2. Step 2: Convert to fraction form
   345,978.27/518,811.57 = 146,195.82/x
3. Step 3: Cross multiply
   345,978.27x = 518,811.57 × 146,195.82
4. Step 4: Simplify right side
   345,978.27x = 75,848,082,901.64
5. Step 5: Solve for x
   x = 75,848,082,901.64/345,978.27
6. Step 6: Final answer
   x = 219,227.88