Finding the Fourth Proportional to 146,052.77, 217,790.56 and 140,849.07

Step by Step Solution

1. Step 1: Write the proportion equation
   146,052.77 : 217,790.56 = 140,849.07 : x
2. Step 2: Convert to fraction form
   146,052.77/217,790.56 = 140,849.07/x
3. Step 3: Cross multiply
   146,052.77x = 217,790.56 × 140,849.07
4. Step 4: Simplify right side
   146,052.77x = 30,675,597,830.78
5. Step 5: Solve for x
   x = 30,675,597,830.78/146,052.77
6. Step 6: Final answer
   x = 210,030.93