Finding the Fourth Proportional to 55,773.52, 76,967.72 and 30,623

Step by Step Solution

1. Step 1: Write the proportion equation
   55,773.52 : 76,967.72 = 30,623 : x
2. Step 2: Convert to fraction form
   55,773.52/76,967.72 = 30,623/x
3. Step 3: Cross multiply
   55,773.52x = 76,967.72 × 30,623
4. Step 4: Simplify right side
   55,773.52x = 2,356,982,489.56
5. Step 5: Solve for x
   x = 2,356,982,489.56/55,773.52
6. Step 6: Final answer
   x = 42,259.88