Finding the Fourth Proportional to 142,672.55, 196,894.04 and 79,010.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,672.55 : 196,894.04 = 79,010.37 : x
2. Step 2: Convert to fraction form
   142,672.55/196,894.04 = 79,010.37/x
3. Step 3: Cross multiply
   142,672.55x = 196,894.04 × 79,010.37
4. Step 4: Simplify right side
   142,672.55x = 15,556,670,556.14
5. Step 5: Solve for x
   x = 15,556,670,556.14/142,672.55
6. Step 6: Final answer
   x = 109,037.59