Finding the Fourth Proportional to 83,016.50, 114,562.78 and 53,208.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,016.50 : 114,562.78 = 53,208.50 : x
2. Step 2: Convert to fraction form
   83,016.50/114,562.78 = 53,208.50/x
3. Step 3: Cross multiply
   83,016.50x = 114,562.78 × 53,208.50
4. Step 4: Simplify right side
   83,016.50x = 6,095,713,679.63
5. Step 5: Solve for x
   x = 6,095,713,679.63/83,016.50
6. Step 6: Final answer
   x = 73,427.74