Finding the Fourth Proportional to 115,301.69, 159,123.46 and 63,618.53

Step by Step Solution

1. Step 1: Write the proportion equation
   115,301.69 : 159,123.46 = 63,618.53 : x
2. Step 2: Convert to fraction form
   115,301.69/159,123.46 = 63,618.53/x
3. Step 3: Cross multiply
   115,301.69x = 159,123.46 × 63,618.53
4. Step 4: Simplify right side
   115,301.69x = 10,123,200,613.71
5. Step 5: Solve for x
   x = 10,123,200,613.71/115,301.69
6. Step 6: Final answer
   x = 87,797.50