Finding the Fourth Proportional to 78,267.69, 117,399.43 and 22,111.67

Step by Step Solution

1. Step 1: Write the proportion equation
   78,267.69 : 117,399.43 = 22,111.67 : x
2. Step 2: Convert to fraction form
   78,267.69/117,399.43 = 22,111.67/x
3. Step 3: Cross multiply
   78,267.69x = 117,399.43 × 22,111.67
4. Step 4: Simplify right side
   78,267.69x = 2,595,897,454.35
5. Step 5: Solve for x
   x = 2,595,897,454.35/78,267.69
6. Step 6: Final answer
   x = 33,166.91