Finding the Fourth Proportional to 84,485.31, 116,581.76 and 50,487.03

Step by Step Solution

1. Step 1: Write the proportion equation
   84,485.31 : 116,581.76 = 50,487.03 : x
2. Step 2: Convert to fraction form
   84,485.31/116,581.76 = 50,487.03/x
3. Step 3: Cross multiply
   84,485.31x = 116,581.76 × 50,487.03
4. Step 4: Simplify right side
   84,485.31x = 5,885,866,609.47
5. Step 5: Solve for x
   x = 5,885,866,609.47/84,485.31
6. Step 6: Final answer
   x = 69,667.34