Finding the Fourth Proportional to 111,421.10, 153,758.71 and 63,016.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,421.10 : 153,758.71 = 63,016.62 : x
2. Step 2: Convert to fraction form
   111,421.10/153,758.71 = 63,016.62/x
3. Step 3: Cross multiply
   111,421.10x = 153,758.71 × 63,016.62
4. Step 4: Simplify right side
   111,421.10x = 9,689,353,347.47
5. Step 5: Solve for x
   x = 9,689,353,347.47/111,421.10
6. Step 6: Final answer
   x = 86,961.56