Finding the Fourth Proportional to 78,560.69, 117,842.85 and 22,405.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,560.69 : 117,842.85 = 22,405.82 : x
2. Step 2: Convert to fraction form
   78,560.69/117,842.85 = 22,405.82/x
3. Step 3: Cross multiply
   78,560.69x = 117,842.85 × 22,405.82
4. Step 4: Simplify right side
   78,560.69x = 2,640,365,096.17
5. Step 5: Solve for x
   x = 2,640,365,096.17/78,560.69
6. Step 6: Final answer
   x = 33,609.24