Finding the Fourth Proportional to 55,607.09, 76,737.78 and 30,456.59

Step by Step Solution

1. Step 1: Write the proportion equation
   55,607.09 : 76,737.78 = 30,456.59 : x
2. Step 2: Convert to fraction form
   55,607.09/76,737.78 = 30,456.59/x
3. Step 3: Cross multiply
   55,607.09x = 76,737.78 × 30,456.59
4. Step 4: Simplify right side
   55,607.09x = 2,337,170,719.28
5. Step 5: Solve for x
   x = 2,337,170,719.28/55,607.09
6. Step 6: Final answer
   x = 42,030.09