Finding the Fourth Proportional to 55,971, 77,240.52 and 30,821.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,971 : 77,240.52 = 30,821.04 : x
2. Step 2: Convert to fraction form
   55,971/77,240.52 = 30,821.04/x
3. Step 3: Cross multiply
   55,971x = 77,240.52 × 30,821.04
4. Step 4: Simplify right side
   55,971x = 2,380,633,156.54
5. Step 5: Solve for x
   x = 2,380,633,156.54/55,971
6. Step 6: Final answer
   x = 42,533.33