Finding the Fourth Proportional to 45,804.78, 68,617.71 and 31,570.71

Step by Step Solution

1. Step 1: Write the proportion equation
   45,804.78 : 68,617.71 = 31,570.71 : x
2. Step 2: Convert to fraction form
   45,804.78/68,617.71 = 31,570.71/x
3. Step 3: Cross multiply
   45,804.78x = 68,617.71 × 31,570.71
4. Step 4: Simplify right side
   45,804.78x = 2,166,309,823.27
5. Step 5: Solve for x
   x = 2,166,309,823.27/45,804.78
6. Step 6: Final answer
   x = 47,294.41