Finding the Fourth Proportional to 56,073.56, 77,381.46 and 30,923.06

Step by Step Solution

1. Step 1: Write the proportion equation
   56,073.56 : 77,381.46 = 30,923.06 : x
2. Step 2: Convert to fraction form
   56,073.56/77,381.46 = 30,923.06/x
3. Step 3: Cross multiply
   56,073.56x = 77,381.46 × 30,923.06
4. Step 4: Simplify right side
   56,073.56x = 2,392,871,143.56
5. Step 5: Solve for x
   x = 2,392,871,143.56/56,073.56
6. Step 6: Final answer
   x = 42,673.79