Finding the Fourth Proportional to 111,743.94, 154,184.55 and 62,687.22

Step by Step Solution

1. Step 1: Write the proportion equation
   111,743.94 : 154,184.55 = 62,687.22 : x
2. Step 2: Convert to fraction form
   111,743.94/154,184.55 = 62,687.22/x
3. Step 3: Cross multiply
   111,743.94x = 154,184.55 × 62,687.22
4. Step 4: Simplify right side
   111,743.94x = 9,665,400,806.45
5. Step 5: Solve for x
   x = 9,665,400,806.45/111,743.94
6. Step 6: Final answer
   x = 86,495.97