Finding the Fourth Proportional to 78,976.10, 118,429.58 and 23,561.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,976.10 : 118,429.58 = 23,561.06 : x
2. Step 2: Convert to fraction form
   78,976.10/118,429.58 = 23,561.06/x
3. Step 3: Cross multiply
   78,976.10x = 118,429.58 × 23,561.06
4. Step 4: Simplify right side
   78,976.10x = 2,790,326,440.15
5. Step 5: Solve for x
   x = 2,790,326,440.15/78,976.10
6. Step 6: Final answer
   x = 35,331.28