Finding the Fourth Proportional to 142,819.18, 214,153.89 and 49,302.70

Step by Step Solution

1. Step 1: Write the proportion equation
   142,819.18 : 214,153.89 = 49,302.70 : x
2. Step 2: Convert to fraction form
   142,819.18/214,153.89 = 49,302.70/x
3. Step 3: Cross multiply
   142,819.18x = 214,153.89 × 49,302.70
4. Step 4: Simplify right side
   142,819.18x = 10,558,364,992.50
5. Step 5: Solve for x
   x = 10,558,364,992.50/142,819.18
6. Step 6: Final answer
   x = 73,928.20