Finding the Fourth Proportional to 55,309.50, 76,327.92 and 30,159

Step by Step Solution

1. Step 1: Write the proportion equation
   55,309.50 : 76,327.92 = 30,159 : x
2. Step 2: Convert to fraction form
   55,309.50/76,327.92 = 30,159/x
3. Step 3: Cross multiply
   55,309.50x = 76,327.92 × 30,159
4. Step 4: Simplify right side
   55,309.50x = 2,301,973,739.28
5. Step 5: Solve for x
   x = 2,301,973,739.28/55,309.50
6. Step 6: Final answer
   x = 41,619.86