Finding the Fourth Proportional to 117,554.46, 162,271.40 and 79,336.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,554.46 : 162,271.40 = 79,336.50 : x
2. Step 2: Convert to fraction form
   117,554.46/162,271.40 = 79,336.50/x
3. Step 3: Cross multiply
   117,554.46x = 162,271.40 × 79,336.50
4. Step 4: Simplify right side
   117,554.46x = 12,874,044,926.10
5. Step 5: Solve for x
   x = 12,874,044,926.10/117,554.46
6. Step 6: Final answer
   x = 109,515.58