Finding the Fourth Proportional to 146,300.79, 219,407.45 and 76,141.83

Step by Step Solution

1. Step 1: Write the proportion equation
   146,300.79 : 219,407.45 = 76,141.83 : x
2. Step 2: Convert to fraction form
   146,300.79/219,407.45 = 76,141.83/x
3. Step 3: Cross multiply
   146,300.79x = 219,407.45 × 76,141.83
4. Step 4: Simplify right side
   146,300.79x = 16,706,085,200.70
5. Step 5: Solve for x
   x = 16,706,085,200.70/146,300.79
6. Step 6: Final answer
   x = 114,189.98