Finding the Fourth Proportional to 142,744.32, 196,971.98 and 79,075.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,744.32 : 196,971.98 = 79,075.88 : x
2. Step 2: Convert to fraction form
   142,744.32/196,971.98 = 79,075.88/x
3. Step 3: Cross multiply
   142,744.32x = 196,971.98 × 79,075.88
4. Step 4: Simplify right side
   142,744.32x = 15,575,732,653.84
5. Step 5: Solve for x
   x = 15,575,732,653.84/142,744.32
6. Step 6: Final answer
   x = 109,116.30