Finding the Fourth Proportional to 52,978.43, 73,089.51 and 30,305.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,978.43 : 73,089.51 = 30,305.32 : x
2. Step 2: Convert to fraction form
   52,978.43/73,089.51 = 30,305.32/x
3. Step 3: Cross multiply
   52,978.43x = 73,089.51 × 30,305.32
4. Step 4: Simplify right side
   52,978.43x = 2,215,000,989.19
5. Step 5: Solve for x
   x = 2,215,000,989.19/52,978.43
6. Step 6: Final answer
   x = 41,809.49