Finding the Fourth Proportional to 116,631, 174,932.61 and 68,628.30

Step by Step Solution

1. Step 1: Write the proportion equation
   116,631 : 174,932.61 = 68,628.30 : x
2. Step 2: Convert to fraction form
   116,631/174,932.61 = 68,628.30/x
3. Step 3: Cross multiply
   116,631x = 174,932.61 × 68,628.30
4. Step 4: Simplify right side
   116,631x = 12,005,327,638.86
5. Step 5: Solve for x
   x = 12,005,327,638.86/116,631
6. Step 6: Final answer
   x = 102,934.28