Finding the Fourth Proportional to 83,605.82, 115,375.37 and 45,365.40

Step by Step Solution

1. Step 1: Write the proportion equation
   83,605.82 : 115,375.37 = 45,365.40 : x
2. Step 2: Convert to fraction form
   83,605.82/115,375.37 = 45,365.40/x
3. Step 3: Cross multiply
   83,605.82x = 115,375.37 × 45,365.40
4. Step 4: Simplify right side
   83,605.82x = 5,234,049,583.37
5. Step 5: Solve for x
   x = 5,234,049,583.37/83,605.82
6. Step 6: Final answer
   x = 62,603.89