Finding the Fourth Proportional to 142,929.34, 197,235.72 and 79,265.76

Step by Step Solution

1. Step 1: Write the proportion equation
   142,929.34 : 197,235.72 = 79,265.76 : x
2. Step 2: Convert to fraction form
   142,929.34/197,235.72 = 79,265.76/x
3. Step 3: Cross multiply
   142,929.34x = 197,235.72 × 79,265.76
4. Step 4: Simplify right side
   142,929.34x = 15,634,039,244.95
5. Step 5: Solve for x
   x = 15,634,039,244.95/142,929.34
6. Step 6: Final answer
   x = 109,382.99