Finding the Fourth Proportional to 83,500.05, 115,230.12 and 45,259.95

Step by Step Solution

1. Step 1: Write the proportion equation
   83,500.05 : 115,230.12 = 45,259.95 : x
2. Step 2: Convert to fraction form
   83,500.05/115,230.12 = 45,259.95/x
3. Step 3: Cross multiply
   83,500.05x = 115,230.12 × 45,259.95
4. Step 4: Simplify right side
   83,500.05x = 5,215,309,469.69
5. Step 5: Solve for x
   x = 5,215,309,469.69/83,500.05
6. Step 6: Final answer
   x = 62,458.76