Finding the Fourth Proportional to 142,693.91, 196,919.05 and 86,094.35

Step by Step Solution

1. Step 1: Write the proportion equation
   142,693.91 : 196,919.05 = 86,094.35 : x
2. Step 2: Convert to fraction form
   142,693.91/196,919.05 = 86,094.35/x
3. Step 3: Cross multiply
   142,693.91x = 196,919.05 × 86,094.35
4. Step 4: Simplify right side
   142,693.91x = 16,953,617,503.03
5. Step 5: Solve for x
   x = 16,953,617,503.03/142,693.91
6. Step 6: Final answer
   x = 118,811.08