Finding the Fourth Proportional to 140,630.52, 194,074.76 and 76,968.32

Step by Step Solution

1. Step 1: Write the proportion equation
   140,630.52 : 194,074.76 = 76,968.32 : x
2. Step 2: Convert to fraction form
   140,630.52/194,074.76 = 76,968.32/x
3. Step 3: Cross multiply
   140,630.52x = 194,074.76 × 76,968.32
4. Step 4: Simplify right side
   140,630.52x = 14,937,606,876.39
5. Step 5: Solve for x
   x = 14,937,606,876.39/140,630.52
6. Step 6: Final answer
   x = 106,218.81