Finding the Fourth Proportional to 51,150.72, 76,734.18 and 21,577.08

Step by Step Solution

1. Step 1: Write the proportion equation
   51,150.72 : 76,734.18 = 21,577.08 : x
2. Step 2: Convert to fraction form
   51,150.72/76,734.18 = 21,577.08/x
3. Step 3: Cross multiply
   51,150.72x = 76,734.18 × 21,577.08
4. Step 4: Simplify right side
   51,150.72x = 1,655,699,540.59
5. Step 5: Solve for x
   x = 1,655,699,540.59/51,150.72
6. Step 6: Final answer
   x = 32,369.04