Finding the Fourth Proportional to 146,300.42, 219,406.89 and 76,141.46

Step by Step Solution

1. Step 1: Write the proportion equation
   146,300.42 : 219,406.89 = 76,141.46 : x
2. Step 2: Convert to fraction form
   146,300.42/219,406.89 = 76,141.46/x
3. Step 3: Cross multiply
   146,300.42x = 219,406.89 × 76,141.46
4. Step 4: Simplify right side
   146,300.42x = 16,705,960,378.87
5. Step 5: Solve for x
   x = 16,705,960,378.87/146,300.42
6. Step 6: Final answer
   x = 114,189.42