Finding the Fourth Proportional to 142,747.07, 196,901.82 and 91,826.15

Step by Step Solution

1. Step 1: Write the proportion equation
   142,747.07 : 196,901.82 = 91,826.15 : x
2. Step 2: Convert to fraction form
   142,747.07/196,901.82 = 91,826.15/x
3. Step 3: Cross multiply
   142,747.07x = 196,901.82 × 91,826.15
4. Step 4: Simplify right side
   142,747.07x = 18,080,735,074.08
5. Step 5: Solve for x
   x = 18,080,735,074.08/142,747.07
6. Step 6: Final answer
   x = 126,662.74