Finding the Fourth Proportional to 55,422.48, 76,482.72 and 30,271.80

Step by Step Solution

1. Step 1: Write the proportion equation
   55,422.48 : 76,482.72 = 30,271.80 : x
2. Step 2: Convert to fraction form
   55,422.48/76,482.72 = 30,271.80/x
3. Step 3: Cross multiply
   55,422.48x = 76,482.72 × 30,271.80
4. Step 4: Simplify right side
   55,422.48x = 2,315,269,603.30
5. Step 5: Solve for x
   x = 2,315,269,603.30/55,422.48
6. Step 6: Final answer
   x = 41,774.92