Finding the Fourth Proportional to 111,144.77, 153,370.05 and 62,744.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,144.77 : 153,370.05 = 62,744.03 : x
2. Step 2: Convert to fraction form
   111,144.77/153,370.05 = 62,744.03/x
3. Step 3: Cross multiply
   111,144.77x = 153,370.05 × 62,744.03
4. Step 4: Simplify right side
   111,144.77x = 9,623,055,018.30
5. Step 5: Solve for x
   x = 9,623,055,018.30/111,144.77
6. Step 6: Final answer
   x = 86,581.27