Finding the Fourth Proportional to 111,401.33, 153,742.31 and 63,004.21

Step by Step Solution

1. Step 1: Write the proportion equation
   111,401.33 : 153,742.31 = 63,004.21 : x
2. Step 2: Convert to fraction form
   111,401.33/153,742.31 = 63,004.21/x
3. Step 3: Cross multiply
   111,401.33x = 153,742.31 × 63,004.21
4. Step 4: Simplify right side
   111,401.33x = 9,686,412,322.01
5. Step 5: Solve for x
   x = 9,686,412,322.01/111,401.33
6. Step 6: Final answer
   x = 86,950.60