Finding the Fourth Proportional to 98,016.50, 135,262.77 and 53,304.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,016.50 : 135,262.77 = 53,304.50 : x
2. Step 2: Convert to fraction form
   98,016.50/135,262.77 = 53,304.50/x
3. Step 3: Cross multiply
   98,016.50x = 135,262.77 × 53,304.50
4. Step 4: Simplify right side
   98,016.50x = 7,210,114,323.47
5. Step 5: Solve for x
   x = 7,210,114,323.47/98,016.50
6. Step 6: Final answer
   x = 73,560.21