Finding the Fourth Proportional to 151,735.50, 209,401.56 and 84,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,735.50 : 209,401.56 = 84,667.50 : x
2. Step 2: Convert to fraction form
   151,735.50/209,401.56 = 84,667.50/x
3. Step 3: Cross multiply
   151,735.50x = 209,401.56 × 84,667.50
4. Step 4: Simplify right side
   151,735.50x = 17,729,506,581.30
5. Step 5: Solve for x
   x = 17,729,506,581.30/151,735.50
6. Step 6: Final answer
   x = 116,844.82