Finding the Fourth Proportional to 142,692.84, 196,915.92 and 79,030.56

Step by Step Solution

1. Step 1: Write the proportion equation
   142,692.84 : 196,915.92 = 79,030.56 : x
2. Step 2: Convert to fraction form
   142,692.84/196,915.92 = 79,030.56/x
3. Step 3: Cross multiply
   142,692.84x = 196,915.92 × 79,030.56
4. Step 4: Simplify right side
   142,692.84x = 15,562,375,430.52
5. Step 5: Solve for x
   x = 15,562,375,430.52/142,692.84
6. Step 6: Final answer
   x = 109,062.06