Finding the Fourth Proportional to 111,673.98, 167,549.85 and 52,554.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,673.98 : 167,549.85 = 52,554.78 : x
2. Step 2: Convert to fraction form
   111,673.98/167,549.85 = 52,554.78/x
3. Step 3: Cross multiply
   111,673.98x = 167,549.85 × 52,554.78
4. Step 4: Simplify right side
   111,673.98x = 8,805,545,505.78
5. Step 5: Solve for x
   x = 8,805,545,505.78/111,673.98
6. Step 6: Final answer
   x = 78,850.47