Finding the Fourth Proportional to 55,774, 76,968.66 and 30,624.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,774 : 76,968.66 = 30,624.04 : x
2. Step 2: Convert to fraction form
   55,774/76,968.66 = 30,624.04/x
3. Step 3: Cross multiply
   55,774x = 76,968.66 × 30,624.04
4. Step 4: Simplify right side
   55,774x = 2,357,091,322.59
5. Step 5: Solve for x
   x = 2,357,091,322.59/55,774
6. Step 6: Final answer
   x = 42,261.47