Finding the Fourth Proportional to 55,513.92, 76,608.72 and 30,363.60

Step by Step Solution

1. Step 1: Write the proportion equation
   55,513.92 : 76,608.72 = 30,363.60 : x
2. Step 2: Convert to fraction form
   55,513.92/76,608.72 = 30,363.60/x
3. Step 3: Cross multiply
   55,513.92x = 76,608.72 × 30,363.60
4. Step 4: Simplify right side
   55,513.92x = 2,326,116,530.59
5. Step 5: Solve for x
   x = 2,326,116,530.59/55,513.92
6. Step 6: Final answer
   x = 41,901.50