Finding the Fourth Proportional to 83,452.50, 115,164.45 and 49,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,452.50 : 115,164.45 = 49,918.50 : x
2. Step 2: Convert to fraction form
   83,452.50/115,164.45 = 49,918.50/x
3. Step 3: Cross multiply
   83,452.50x = 115,164.45 × 49,918.50
4. Step 4: Simplify right side
   83,452.50x = 5,748,836,597.33
5. Step 5: Solve for x
   x = 5,748,836,597.33/83,452.50
6. Step 6: Final answer
   x = 68,887.53