Finding the Fourth Proportional to 105,284.52, 158,036.16 and 60,997.80

Step by Step Solution

1. Step 1: Write the proportion equation
   105,284.52 : 158,036.16 = 60,997.80 : x
2. Step 2: Convert to fraction form
   105,284.52/158,036.16 = 60,997.80/x
3. Step 3: Cross multiply
   105,284.52x = 158,036.16 × 60,997.80
4. Step 4: Simplify right side
   105,284.52x = 9,639,858,080.45
5. Step 5: Solve for x
   x = 9,639,858,080.45/105,284.52
6. Step 6: Final answer
   x = 91,560.07