Finding the Fourth Proportional to 111,488.03, 153,853.59 and 63,742.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,488.03 : 153,853.59 = 63,742.38 : x
2. Step 2: Convert to fraction form
   111,488.03/153,853.59 = 63,742.38/x
3. Step 3: Cross multiply
   111,488.03x = 153,853.59 × 63,742.38
4. Step 4: Simplify right side
   111,488.03x = 9,806,993,998.14
5. Step 5: Solve for x
   x = 9,806,993,998.14/111,488.03
6. Step 6: Final answer
   x = 87,964.55