Finding the Fourth Proportional to 52,918.96, 73,016.76 and 30,550

Step by Step Solution

1. Step 1: Write the proportion equation
   52,918.96 : 73,016.76 = 30,550 : x
2. Step 2: Convert to fraction form
   52,918.96/73,016.76 = 30,550/x
3. Step 3: Cross multiply
   52,918.96x = 73,016.76 × 30,550
4. Step 4: Simplify right side
   52,918.96x = 2,230,662,018
5. Step 5: Solve for x
   x = 2,230,662,018/52,918.96
6. Step 6: Final answer
   x = 42,152.42