Finding the Fourth Proportional to 142,059.52, 195,959.46 and 91,054.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,059.52 : 195,959.46 = 91,054.18 : x
2. Step 2: Convert to fraction form
   142,059.52/195,959.46 = 91,054.18/x
3. Step 3: Cross multiply
   142,059.52x = 195,959.46 × 91,054.18
4. Step 4: Simplify right side
   142,059.52x = 17,842,927,943.54
5. Step 5: Solve for x
   x = 17,842,927,943.54/142,059.52
6. Step 6: Final answer
   x = 125,601.78