Finding the Fourth Proportional to 130,143.51, 179,617.31 and 82,401.30

Step by Step Solution

1. Step 1: Write the proportion equation
   130,143.51 : 179,617.31 = 82,401.30 : x
2. Step 2: Convert to fraction form
   130,143.51/179,617.31 = 82,401.30/x
3. Step 3: Cross multiply
   130,143.51x = 179,617.31 × 82,401.30
4. Step 4: Simplify right side
   130,143.51x = 14,800,699,846.50
5. Step 5: Solve for x
   x = 14,800,699,846.50/130,143.51
6. Step 6: Final answer
   x = 113,725.99