Finding the Fourth Proportional to 115,976.83, 173,669.86 and 76,414.03

Step by Step Solution

1. Step 1: Write the proportion equation
   115,976.83 : 173,669.86 = 76,414.03 : x
2. Step 2: Convert to fraction form
   115,976.83/173,669.86 = 76,414.03/x
3. Step 3: Cross multiply
   115,976.83x = 173,669.86 × 76,414.03
4. Step 4: Simplify right side
   115,976.83x = 13,270,813,892.14
5. Step 5: Solve for x
   x = 13,270,813,892.14/115,976.83
6. Step 6: Final answer
   x = 114,426.42