Finding the Fourth Proportional to 111,852.50, 154,351.78 and 61,548.26

Step by Step Solution

1. Step 1: Write the proportion equation
   111,852.50 : 154,351.78 = 61,548.26 : x
2. Step 2: Convert to fraction form
   111,852.50/154,351.78 = 61,548.26/x
3. Step 3: Cross multiply
   111,852.50x = 154,351.78 × 61,548.26
4. Step 4: Simplify right side
   111,852.50x = 9,500,082,561.27
5. Step 5: Solve for x
   x = 9,500,082,561.27/111,852.50
6. Step 6: Final answer
   x = 84,934.02