Finding the Fourth Proportional to 55,574.81, 76,693.25 and 30,424.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,574.81 : 76,693.25 = 30,424.31 : x
2. Step 2: Convert to fraction form
   55,574.81/76,693.25 = 30,424.31/x
3. Step 3: Cross multiply
   55,574.81x = 76,693.25 × 30,424.31
4. Step 4: Simplify right side
   55,574.81x = 2,333,339,252.52
5. Step 5: Solve for x
   x = 2,333,339,252.52/55,574.81
6. Step 6: Final answer
   x = 41,985.55