Finding the Fourth Proportional to 55,485.68, 76,570.56 and 30,335.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,485.68 : 76,570.56 = 30,335.18 : x
2. Step 2: Convert to fraction form
   55,485.68/76,570.56 = 30,335.18/x
3. Step 3: Cross multiply
   55,485.68x = 76,570.56 × 30,335.18
4. Step 4: Simplify right side
   55,485.68x = 2,322,781,720.30
5. Step 5: Solve for x
   x = 2,322,781,720.30/55,485.68
6. Step 6: Final answer
   x = 41,862.72