Finding the Fourth Proportional to 111,844.55, 154,345.47 and 61,543.55

Step by Step Solution

1. Step 1: Write the proportion equation
   111,844.55 : 154,345.47 = 61,543.55 : x
2. Step 2: Convert to fraction form
   111,844.55/154,345.47 = 61,543.55/x
3. Step 3: Cross multiply
   111,844.55x = 154,345.47 × 61,543.55
4. Step 4: Simplify right side
   111,844.55x = 9,498,967,956.37
5. Step 5: Solve for x
   x = 9,498,967,956.37/111,844.55
6. Step 6: Final answer
   x = 84,930.09