Finding the Fourth Proportional to 83,530.38, 115,269.87 and 45,287.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,530.38 : 115,269.87 = 45,287.82 : x
2. Step 2: Convert to fraction form
   83,530.38/115,269.87 = 45,287.82/x
3. Step 3: Cross multiply
   83,530.38x = 115,269.87 × 45,287.82
4. Step 4: Simplify right side
   83,530.38x = 5,220,321,123.98
5. Step 5: Solve for x
   x = 5,220,321,123.98/83,530.38
6. Step 6: Final answer
   x = 62,496.08