Finding the Fourth Proportional to 148,309.67, 204,667.56 and 80,326.78

Step by Step Solution

1. Step 1: Write the proportion equation
   148,309.67 : 204,667.56 = 80,326.78 : x
2. Step 2: Convert to fraction form
   148,309.67/204,667.56 = 80,326.78/x
3. Step 3: Cross multiply
   148,309.67x = 204,667.56 × 80,326.78
4. Step 4: Simplify right side
   148,309.67x = 16,440,285,553.59
5. Step 5: Solve for x
   x = 16,440,285,553.59/148,309.67
6. Step 6: Final answer
   x = 110,851.07