Finding the Fourth Proportional to 142,653.84, 196,806.15 and 91,658.94

Step by Step Solution

1. Step 1: Write the proportion equation
   142,653.84 : 196,806.15 = 91,658.94 : x
2. Step 2: Convert to fraction form
   142,653.84/196,806.15 = 91,658.94/x
3. Step 3: Cross multiply
   142,653.84x = 196,806.15 × 91,658.94
4. Step 4: Simplify right side
   142,653.84x = 18,039,043,094.48
5. Step 5: Solve for x
   x = 18,039,043,094.48/142,653.84
6. Step 6: Final answer
   x = 126,453.26