Finding the Fourth Proportional to 78,600.96, 117,920.16 and 23,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,600.96 : 117,920.16 = 23,196.96 : x
2. Step 2: Convert to fraction form
   78,600.96/117,920.16 = 23,196.96/x
3. Step 3: Cross multiply
   78,600.96x = 117,920.16 × 23,196.96
4. Step 4: Simplify right side
   78,600.96x = 2,735,389,234.71
5. Step 5: Solve for x
   x = 2,735,389,234.71/78,600.96
6. Step 6: Final answer
   x = 34,800.96