Finding the Fourth Proportional to 56,823.50, 78,416.43 and 31,673

Step by Step Solution

1. Step 1: Write the proportion equation
   56,823.50 : 78,416.43 = 31,673 : x
2. Step 2: Convert to fraction form
   56,823.50/78,416.43 = 31,673/x
3. Step 3: Cross multiply
   56,823.50x = 78,416.43 × 31,673
4. Step 4: Simplify right side
   56,823.50x = 2,483,683,587.39
5. Step 5: Solve for x
   x = 2,483,683,587.39/56,823.50
6. Step 6: Final answer
   x = 43,708.74