Finding the Fourth Proportional to 142,667.04, 196,846.68 and 84,494.40

Step by Step Solution

1. Step 1: Write the proportion equation
   142,667.04 : 196,846.68 = 84,494.40 : x
2. Step 2: Convert to fraction form
   142,667.04/196,846.68 = 84,494.40/x
3. Step 3: Cross multiply
   142,667.04x = 196,846.68 × 84,494.40
4. Step 4: Simplify right side
   142,667.04x = 16,632,442,118.59
5. Step 5: Solve for x
   x = 16,632,442,118.59/142,667.04
6. Step 6: Final answer
   x = 116,582.23