Finding the Fourth Proportional to 55,633.50, 76,774.32 and 30,483

Step by Step Solution

1. Step 1: Write the proportion equation
   55,633.50 : 76,774.32 = 30,483 : x
2. Step 2: Convert to fraction form
   55,633.50/76,774.32 = 30,483/x
3. Step 3: Cross multiply
   55,633.50x = 76,774.32 × 30,483
4. Step 4: Simplify right side
   55,633.50x = 2,340,311,596.56
5. Step 5: Solve for x
   x = 2,340,311,596.56/55,633.50
6. Step 6: Final answer
   x = 42,066.59