Finding the Fourth Proportional to 78,271.76, 117,401.41 and 22,109.60

Step by Step Solution

1. Step 1: Write the proportion equation
   78,271.76 : 117,401.41 = 22,109.60 : x
2. Step 2: Convert to fraction form
   78,271.76/117,401.41 = 22,109.60/x
3. Step 3: Cross multiply
   78,271.76x = 117,401.41 × 22,109.60
4. Step 4: Simplify right side
   78,271.76x = 2,595,697,516.98
5. Step 5: Solve for x
   x = 2,595,697,516.98/78,271.76
6. Step 6: Final answer
   x = 33,162.63