Finding the Fourth Proportional to 142,666.53, 196,845.99 and 84,493.89

Step by Step Solution

1. Step 1: Write the proportion equation
   142,666.53 : 196,845.99 = 84,493.89 : x
2. Step 2: Convert to fraction form
   142,666.53/196,845.99 = 84,493.89/x
3. Step 3: Cross multiply
   142,666.53x = 196,845.99 × 84,493.89
4. Step 4: Simplify right side
   142,666.53x = 16,632,283,426.00
5. Step 5: Solve for x
   x = 16,632,283,426.00/142,666.53
6. Step 6: Final answer
   x = 116,581.54