Finding the Fourth Proportional to 82,457.30, 115,673.50 and 82,457.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,457.30 : 115,673.50 = 82,457.30 : x
2. Step 2: Convert to fraction form
   82,457.30/115,673.50 = 82,457.30/x
3. Step 3: Cross multiply
   82,457.30x = 115,673.50 × 82,457.30
4. Step 4: Simplify right side
   82,457.30x = 9,538,124,491.55
5. Step 5: Solve for x
   x = 9,538,124,491.55/82,457.30
6. Step 6: Final answer
   x = 115,673.50