Finding the Fourth Proportional to 52,204.77, 72,009.81 and 30,969

Step by Step Solution

1. Step 1: Write the proportion equation
   52,204.77 : 72,009.81 = 30,969 : x
2. Step 2: Convert to fraction form
   52,204.77/72,009.81 = 30,969/x
3. Step 3: Cross multiply
   52,204.77x = 72,009.81 × 30,969
4. Step 4: Simplify right side
   52,204.77x = 2,230,071,805.89
5. Step 5: Solve for x
   x = 2,230,071,805.89/52,204.77
6. Step 6: Final answer
   x = 42,717.78