Finding the Fourth Proportional to 116,072.57, 174,108.91 and 76,620.46

Step by Step Solution

1. Step 1: Write the proportion equation
   116,072.57 : 174,108.91 = 76,620.46 : x
2. Step 2: Convert to fraction form
   116,072.57/174,108.91 = 76,620.46/x
3. Step 3: Cross multiply
   116,072.57x = 174,108.91 × 76,620.46
4. Step 4: Simplify right side
   116,072.57x = 13,340,304,774.30
5. Step 5: Solve for x
   x = 13,340,304,774.30/116,072.57
6. Step 6: Final answer
   x = 114,930.73