Finding the Fourth Proportional to 152,942.79, 229,589.15 and 144,194.79

Step by Step Solution

1. Step 1: Write the proportion equation
   152,942.79 : 229,589.15 = 144,194.79 : x
2. Step 2: Convert to fraction form
   152,942.79/229,589.15 = 144,194.79/x
3. Step 3: Cross multiply
   152,942.79x = 229,589.15 × 144,194.79
4. Step 4: Simplify right side
   152,942.79x = 33,105,558,549.55
5. Step 5: Solve for x
   x = 33,105,558,549.55/152,942.79
6. Step 6: Final answer
   x = 216,457.14