Finding the Fourth Proportional to 111,705.98, 154,150.35 and 61,404.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,705.98 : 154,150.35 = 61,404.62 : x
2. Step 2: Convert to fraction form
   111,705.98/154,150.35 = 61,404.62/x
3. Step 3: Cross multiply
   111,705.98x = 154,150.35 × 61,404.62
4. Step 4: Simplify right side
   111,705.98x = 9,465,543,664.62
5. Step 5: Solve for x
   x = 9,465,543,664.62/111,705.98
6. Step 6: Final answer
   x = 84,736.23