Finding the Fourth Proportional to 82,141.30, 115,231.10 and 82,141.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,141.30 : 115,231.10 = 82,141.30 : x
2. Step 2: Convert to fraction form
   82,141.30/115,231.10 = 82,141.30/x
3. Step 3: Cross multiply
   82,141.30x = 115,231.10 × 82,141.30
4. Step 4: Simplify right side
   82,141.30x = 9,465,232,354.43
5. Step 5: Solve for x
   x = 9,465,232,354.43/82,141.30
6. Step 6: Final answer
   x = 115,231.10