Finding the Fourth Proportional to 146,769.57, 202,472.46 and 99,038.30

Step by Step Solution

1. Step 1: Write the proportion equation
   146,769.57 : 202,472.46 = 99,038.30 : x
2. Step 2: Convert to fraction form
   146,769.57/202,472.46 = 99,038.30/x
3. Step 3: Cross multiply
   146,769.57x = 202,472.46 × 99,038.30
4. Step 4: Simplify right side
   146,769.57x = 20,052,527,222.86
5. Step 5: Solve for x
   x = 20,052,527,222.86/146,769.57
6. Step 6: Final answer
   x = 136,625.92