Finding the Fourth Proportional to 168,196.50, 252,299.61 and 43,537.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,196.50 : 252,299.61 = 43,537.50 : x
2. Step 2: Convert to fraction form
   168,196.50/252,299.61 = 43,537.50/x
3. Step 3: Cross multiply
   168,196.50x = 252,299.61 × 43,537.50
4. Step 4: Simplify right side
   168,196.50x = 10,984,494,270.38
5. Step 5: Solve for x
   x = 10,984,494,270.38/168,196.50
6. Step 6: Final answer
   x = 65,307.51