Finding the Fourth Proportional to 111,676, 154,112.88 and 61,375

Step by Step Solution

1. Step 1: Write the proportion equation
   111,676 : 154,112.88 = 61,375 : x
2. Step 2: Convert to fraction form
   111,676/154,112.88 = 61,375/x
3. Step 3: Cross multiply
   111,676x = 154,112.88 × 61,375
4. Step 4: Simplify right side
   111,676x = 9,458,678,010
5. Step 5: Solve for x
   x = 9,458,678,010/111,676
6. Step 6: Final answer
   x = 84,697.50