Finding the Fourth Proportional to 142,107.68, 196,141.57 and 93,718.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,107.68 : 196,141.57 = 93,718.34 : x
2. Step 2: Convert to fraction form
   142,107.68/196,141.57 = 93,718.34/x
3. Step 3: Cross multiply
   142,107.68x = 196,141.57 × 93,718.34
4. Step 4: Simplify right side
   142,107.68x = 18,382,062,111.10
5. Step 5: Solve for x
   x = 18,382,062,111.10/142,107.68
6. Step 6: Final answer
   x = 129,353.05