Finding the Fourth Proportional to 111,647, 167,262.51 and 55,423.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,647 : 167,262.51 = 55,423.10 : x
2. Step 2: Convert to fraction form
   111,647/167,262.51 = 55,423.10/x
3. Step 3: Cross multiply
   111,647x = 167,262.51 × 55,423.10
4. Step 4: Simplify right side
   111,647x = 9,270,206,817.98
5. Step 5: Solve for x
   x = 9,270,206,817.98/111,647
6. Step 6: Final answer
   x = 83,031.40