Finding the Fourth Proportional to 111,844.50, 154,345.41 and 61,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,844.50 : 154,345.41 = 61,543.50 : x
2. Step 2: Convert to fraction form
   111,844.50/154,345.41 = 61,543.50/x
3. Step 3: Cross multiply
   111,844.50x = 154,345.41 × 61,543.50
4. Step 4: Simplify right side
   111,844.50x = 9,498,956,740.34
5. Step 5: Solve for x
   x = 9,498,956,740.34/111,844.50
6. Step 6: Final answer
   x = 84,930.03