Finding the Fourth Proportional to 55,596, 76,722.72 and 30,445.92

Step by Step Solution

1. Step 1: Write the proportion equation
   55,596 : 76,722.72 = 30,445.92 : x
2. Step 2: Convert to fraction form
   55,596/76,722.72 = 30,445.92/x
3. Step 3: Cross multiply
   55,596x = 76,722.72 × 30,445.92
4. Step 4: Simplify right side
   55,596x = 2,335,893,795.30
5. Step 5: Solve for x
   x = 2,335,893,795.30/55,596
6. Step 6: Final answer
   x = 42,015.50