Finding the Fourth Proportional to 111,857.34, 154,363.04 and 61,556.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111,857.34 : 154,363.04 = 61,556.34 : x
2. Step 2: Convert to fraction form
   111,857.34/154,363.04 = 61,556.34/x
3. Step 3: Cross multiply
   111,857.34x = 154,363.04 × 61,556.34
4. Step 4: Simplify right side
   111,857.34x = 9,502,023,773.67
5. Step 5: Solve for x
   x = 9,502,023,773.67/111,857.34
6. Step 6: Final answer
   x = 84,947.70