Finding the Fourth Proportional to 55,783.71, 76,979.37 and 31,912.59

Step by Step Solution

1. Step 1: Write the proportion equation
   55,783.71 : 76,979.37 = 31,912.59 : x
2. Step 2: Convert to fraction form
   55,783.71/76,979.37 = 31,912.59/x
3. Step 3: Cross multiply
   55,783.71x = 76,979.37 × 31,912.59
4. Step 4: Simplify right side
   55,783.71x = 2,456,611,073.27
5. Step 5: Solve for x
   x = 2,456,611,073.27/55,783.71
6. Step 6: Final answer
   x = 44,038.14