Finding the Fourth Proportional to 83,530, 115,271.42 and 45,805.06

Step by Step Solution

1. Step 1: Write the proportion equation
   83,530 : 115,271.42 = 45,805.06 : x
2. Step 2: Convert to fraction form
   83,530/115,271.42 = 45,805.06/x
3. Step 3: Cross multiply
   83,530x = 115,271.42 × 45,805.06
4. Step 4: Simplify right side
   83,530x = 5,280,014,309.39
5. Step 5: Solve for x
   x = 5,280,014,309.39/83,530
6. Step 6: Final answer
   x = 63,210.99