Finding the Fourth Proportional to 140,601.51, 194,030.10 and 76,939.31

Step by Step Solution

1. Step 1: Write the proportion equation
   140,601.51 : 194,030.10 = 76,939.31 : x
2. Step 2: Convert to fraction form
   140,601.51/194,030.10 = 76,939.31/x
3. Step 3: Cross multiply
   140,601.51x = 194,030.10 × 76,939.31
4. Step 4: Simplify right side
   140,601.51x = 14,928,542,498.31
5. Step 5: Solve for x
   x = 14,928,542,498.31/140,601.51
6. Step 6: Final answer
   x = 106,176.26