Finding the Fourth Proportional to 55,822.68, 77,036.04 and 30,672

Step by Step Solution

1. Step 1: Write the proportion equation
   55,822.68 : 77,036.04 = 30,672 : x
2. Step 2: Convert to fraction form
   55,822.68/77,036.04 = 30,672/x
3. Step 3: Cross multiply
   55,822.68x = 77,036.04 × 30,672
4. Step 4: Simplify right side
   55,822.68x = 2,362,849,418.88
5. Step 5: Solve for x
   x = 2,362,849,418.88/55,822.68
6. Step 6: Final answer
   x = 42,327.77