Finding the Fourth Proportional to 111,845.18, 154,346.34 and 61,544.18

Step by Step Solution

1. Step 1: Write the proportion equation
   111,845.18 : 154,346.34 = 61,544.18 : x
2. Step 2: Convert to fraction form
   111,845.18/154,346.34 = 61,544.18/x
3. Step 3: Cross multiply
   111,845.18x = 154,346.34 × 61,544.18
4. Step 4: Simplify right side
   111,845.18x = 9,499,117,851.85
5. Step 5: Solve for x
   x = 9,499,117,851.85/111,845.18
6. Step 6: Final answer
   x = 84,930.96