Finding the Fourth Proportional to 78,974.10, 118,426.59 and 23,559.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,974.10 : 118,426.59 = 23,559.06 : x
2. Step 2: Convert to fraction form
   78,974.10/118,426.59 = 23,559.06/x
3. Step 3: Cross multiply
   78,974.10x = 118,426.59 × 23,559.06
4. Step 4: Simplify right side
   78,974.10x = 2,790,019,139.41
5. Step 5: Solve for x
   x = 2,790,019,139.41/78,974.10
6. Step 6: Final answer
   x = 35,328.28