Finding the Fourth Proportional to 140,661.48, 194,112.30 and 76,130.52

Step by Step Solution

1. Step 1: Write the proportion equation
   140,661.48 : 194,112.30 = 76,130.52 : x
2. Step 2: Convert to fraction form
   140,661.48/194,112.30 = 76,130.52/x
3. Step 3: Cross multiply
   140,661.48x = 194,112.30 × 76,130.52
4. Step 4: Simplify right side
   140,661.48x = 14,777,870,337.40
5. Step 5: Solve for x
   x = 14,777,870,337.40/140,661.48
6. Step 6: Final answer
   x = 105,059.82