Finding the Fourth Proportional to 329,047.84, 493,769.20 and 142,059.12

Step by Step Solution

1. Step 1: Write the proportion equation
   329,047.84 : 493,769.20 = 142,059.12 : x
2. Step 2: Convert to fraction form
   329,047.84/493,769.20 = 142,059.12/x
3. Step 3: Cross multiply
   329,047.84x = 493,769.20 × 142,059.12
4. Step 4: Simplify right side
   329,047.84x = 70,144,418,035.10
5. Step 5: Solve for x
   x = 70,144,418,035.10/329,047.84
6. Step 6: Final answer
   x = 213,173.92