Finding the Fourth Proportional to 37,980.18, 56,906.82 and 31,337.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,980.18 : 56,906.82 = 31,337.28 : x
2. Step 2: Convert to fraction form
   37,980.18/56,906.82 = 31,337.28/x
3. Step 3: Cross multiply
   37,980.18x = 56,906.82 × 31,337.28
4. Step 4: Simplify right side
   37,980.18x = 1,783,304,952.25
5. Step 5: Solve for x
   x = 1,783,304,952.25/37,980.18
6. Step 6: Final answer
   x = 46,953.57