Finding the Fourth Proportional to 111,299.69, 153,563.69 and 63,543.53

Step by Step Solution

1. Step 1: Write the proportion equation
   111,299.69 : 153,563.69 = 63,543.53 : x
2. Step 2: Convert to fraction form
   111,299.69/153,563.69 = 63,543.53/x
3. Step 3: Cross multiply
   111,299.69x = 153,563.69 × 63,543.53
4. Step 4: Simplify right side
   111,299.69x = 9,757,978,624.71
5. Step 5: Solve for x
   x = 9,757,978,624.71/111,299.69
6. Step 6: Final answer
   x = 87,673.01