Finding the Fourth Proportional to 111,169.98, 153,438.39 and 70,874.46

Step by Step Solution

1. Step 1: Write the proportion equation
   111,169.98 : 153,438.39 = 70,874.46 : x
2. Step 2: Convert to fraction form
   111,169.98/153,438.39 = 70,874.46/x
3. Step 3: Cross multiply
   111,169.98x = 153,438.39 × 70,874.46
4. Step 4: Simplify right side
   111,169.98x = 10,874,863,034.52
5. Step 5: Solve for x
   x = 10,874,863,034.52/111,169.98
6. Step 6: Final answer
   x = 97,821.94