Finding the Fourth Proportional to 55,448, 76,518.72 and 30,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,448 : 76,518.72 = 30,297.50 : x
2. Step 2: Convert to fraction form
   55,448/76,518.72 = 30,297.50/x
3. Step 3: Cross multiply
   55,448x = 76,518.72 × 30,297.50
4. Step 4: Simplify right side
   55,448x = 2,318,325,919.20
5. Step 5: Solve for x
   x = 2,318,325,919.20/55,448
6. Step 6: Final answer
   x = 41,810.81