Finding the Fourth Proportional to 111,093,626.80, 155,148,440 and 111,093,626.80

Step by Step Solution

1. Step 1: Write the proportion equation
   111,093,626.80 : 155,148,440 = 111,093,626.80 : x
2. Step 2: Convert to fraction form
   111,093,626.80/155,148,440 = 111,093,626.80/x
3. Step 3: Cross multiply
   111,093,626.80x = 155,148,440 × 111,093,626.80
4. Step 4: Simplify right side
   111,093,626.80x = 17,236,002,891,962,192
5. Step 5: Solve for x
   x = 17,236,002,891,962,192/111,093,626.80
6. Step 6: Final answer
   x = 155,148,440