Finding the Fourth Proportional to 56,667.92, 78,201.76 and 31,176.23

Step by Step Solution

1. Step 1: Write the proportion equation
   56,667.92 : 78,201.76 = 31,176.23 : x
2. Step 2: Convert to fraction form
   56,667.92/78,201.76 = 31,176.23/x
3. Step 3: Cross multiply
   56,667.92x = 78,201.76 × 31,176.23
4. Step 4: Simplify right side
   56,667.92x = 2,438,036,173.73
5. Step 5: Solve for x
   x = 2,438,036,173.73/56,667.92
6. Step 6: Final answer
   x = 43,023.22