Finding the Fourth Proportional to 111,858.37, 154,364.56 and 61,557.37

Step by Step Solution

1. Step 1: Write the proportion equation
   111,858.37 : 154,364.56 = 61,557.37 : x
2. Step 2: Convert to fraction form
   111,858.37/154,364.56 = 61,557.37/x
3. Step 3: Cross multiply
   111,858.37x = 154,364.56 × 61,557.37
4. Step 4: Simplify right side
   111,858.37x = 9,502,275,562.98
5. Step 5: Solve for x
   x = 9,502,275,562.98/111,858.37
6. Step 6: Final answer
   x = 84,949.17