Finding the Fourth Proportional to 142,746.06, 196,900.48 and 91,825.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,746.06 : 196,900.48 = 91,825.18 : x
2. Step 2: Convert to fraction form
   142,746.06/196,900.48 = 91,825.18/x
3. Step 3: Cross multiply
   142,746.06x = 196,900.48 × 91,825.18
4. Step 4: Simplify right side
   142,746.06x = 18,080,422,018.09
5. Step 5: Solve for x
   x = 18,080,422,018.09/142,746.06
6. Step 6: Final answer
   x = 126,661.44