Finding the Fourth Proportional to 82,920.12, 114,426.72 and 45,193.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,920.12 : 114,426.72 = 45,193.56 : x
2. Step 2: Convert to fraction form
   82,920.12/114,426.72 = 45,193.56/x
3. Step 3: Cross multiply
   82,920.12x = 114,426.72 × 45,193.56
4. Step 4: Simplify right side
   82,920.12x = 5,171,350,835.92
5. Step 5: Solve for x
   x = 5,171,350,835.92/82,920.12
6. Step 6: Final answer
   x = 62,365.45