Finding the Fourth Proportional to 116,243.94, 174,364.89 and 76,976.70

Step by Step Solution

1. Step 1: Write the proportion equation
   116,243.94 : 174,364.89 = 76,976.70 : x
2. Step 2: Convert to fraction form
   116,243.94/174,364.89 = 76,976.70/x
3. Step 3: Cross multiply
   116,243.94x = 174,364.89 × 76,976.70
4. Step 4: Simplify right side
   116,243.94x = 13,422,033,828.06
5. Step 5: Solve for x
   x = 13,422,033,828.06/116,243.94
6. Step 6: Final answer
   x = 115,464.37