Finding the Fourth Proportional to 78,147.50, 117,240.69 and 22,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,147.50 : 117,240.69 = 22,743.50 : x
2. Step 2: Convert to fraction form
   78,147.50/117,240.69 = 22,743.50/x
3. Step 3: Cross multiply
   78,147.50x = 117,240.69 × 22,743.50
4. Step 4: Simplify right side
   78,147.50x = 2,666,463,633.02
5. Step 5: Solve for x
   x = 2,666,463,633.02/78,147.50
6. Step 6: Final answer
   x = 34,120.91