Finding the Fourth Proportional to 56,924.27, 78,558.12 and 31,434.23

Step by Step Solution

1. Step 1: Write the proportion equation
   56,924.27 : 78,558.12 = 31,434.23 : x
2. Step 2: Convert to fraction form
   56,924.27/78,558.12 = 31,434.23/x
3. Step 3: Cross multiply
   56,924.27x = 78,558.12 × 31,434.23
4. Step 4: Simplify right side
   56,924.27x = 2,469,414,012.45
5. Step 5: Solve for x
   x = 2,469,414,012.45/56,924.27
6. Step 6: Final answer
   x = 43,380.69