Finding the Fourth Proportional to 83,498.55, 115,228.05 and 45,258.45

Step by Step Solution

1. Step 1: Write the proportion equation
   83,498.55 : 115,228.05 = 45,258.45 : x
2. Step 2: Convert to fraction form
   83,498.55/115,228.05 = 45,258.45/x
3. Step 3: Cross multiply
   83,498.55x = 115,228.05 × 45,258.45
4. Step 4: Simplify right side
   83,498.55x = 5,215,042,939.52
5. Step 5: Solve for x
   x = 5,215,042,939.52/83,498.55
6. Step 6: Final answer
   x = 62,456.69